diff --git a/.gitignore b/.gitignore
index 1c231fa..00967d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
 .stack-work/
 *~
 dist-newstyle/
+zenith.db
+zenith.log
+zenith.db-shm
+zenith.db-wal
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca58dc4..ed06a68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,8 +29,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Validation of input of amount for sending in TUI
 
+## [0.5.3.1-beta]
+
+### Added
+
+- Docker image
+
 ## [0.5.3.0-beta]
 
+### Added
+
+- Address Book functionality. Allows users to store frequently used zcash addresses and
+  generate transactions using them.
+
 ### Changed
 
 - Improved formatting of sync progress
diff --git a/README.md b/README.md
index efabca0..bce5523 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ Zenith is a wallet for the [Zebra](https://zfnd.org/zebra/) Zcash node . It has
 - Listing transactions for specific addresses, decoding memos for easy reading.
 - Copying addresses to the clipboard.
 - Sending transactions with shielded memo support.
+- Address Book for storing frequently used zcash addresses 
 
 ## Installation
 
diff --git a/app/Main.hs b/app/Main.hs
index daade67..2a2dcd6 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -221,8 +221,8 @@ main = do
                     "                         ______          _ _   _    \n                        |___  /         (_) | | |    \n                           / / ___ _ __  _| |_| |__  \n                          / / / _ \\ '_ \\| | __| '_ \\ \n                         / /_|  __/ | | | | |_| | | |\n                        /_____\\___|_| |_|_|\\__|_| |_|\n                         Zcash Full Node CLI v0.4.0"
                 }
               (root nodeUser nodePwd)
-        "cli" -> runZenithCLI myConfig
         "gui" -> runZenithGUI myConfig
+        "tui" -> runZenithTUI myConfig
         "rescan" -> clearSync myConfig
         _ -> printUsage
     else printUsage
@@ -232,5 +232,5 @@ printUsage = do
   putStrLn "zenith [command] [parameters]\n"
   putStrLn "Available commands:"
   putStrLn "legacy\tLegacy CLI for zcashd"
-  putStrLn "cli\tCLI for zebrad"
+  putStrLn "tui\tTUI for zebrad"
   putStrLn "rescan\tRescan the existing wallet(s)"
diff --git a/src/Zenith/CLI.hs b/src/Zenith/CLI.hs
index a1ef217..e7498fe 100644
--- a/src/Zenith/CLI.hs
+++ b/src/Zenith/CLI.hs
@@ -10,8 +10,10 @@ import qualified Brick.BChan as BC
 import qualified Brick.Focus as F
 import Brick.Forms
   ( Form(..)
+  , FormFieldState
   , (@@=)
   , allFieldsValid
+  , editShowableField
   , editShowableFieldWithValidate
   , editTextField
   , focusedFormInputAttr
@@ -40,6 +42,9 @@ import Brick.Widgets.Core
   , joinBorders
   , padAll
   , padBottom
+  , padLeft
+  , padTop
+  , setAvailableSize
   , str
   , strWrap
   , strWrapWith
@@ -49,6 +54,7 @@ import Brick.Widgets.Core
   , updateAttrMap
   , vBox
   , vLimit
+  , viewport
   , withAttr
   , withBorderStyle
   )
@@ -116,6 +122,10 @@ data Name
   | RecField
   | AmtField
   | MemoField
+  | ABViewport
+  | ABList
+  | DescripField
+  | AddressField
   deriving (Eq, Show, Ord)
 
 data DialogInput = DialogInput
@@ -132,6 +142,13 @@ data SendInput = SendInput
 
 makeLenses ''SendInput
 
+data AdrBookEntry = AdrBookEntry
+  { _descrip :: !T.Text
+  , _address :: !T.Text
+  } deriving (Show)
+
+makeLenses ''AdrBookEntry
+
 data DialogType
   = WName
   | AName
@@ -140,6 +157,10 @@ data DialogType
   | ASelect
   | SendTx
   | Blank
+  | AdrBook
+  | AdrBookForm
+  | AdrBookUpdForm
+  | AdrBookDelForm
 
 data DisplayType
   = AddrDisplay
@@ -149,6 +170,7 @@ data DisplayType
   | TxIdDisplay
   | SyncDisplay
   | SendDisplay
+  | AdrBookEntryDisplay
   | BlankDisplay
 
 data Tick
@@ -179,6 +201,9 @@ data State = State
   , _eventDispatch :: !(BC.BChan Tick)
   , _timer :: !Int
   , _txForm :: !(Form SendInput () Name)
+  , _abAddresses :: !(L.List Name (Entity AddressBook))
+  , _abForm :: !(Form AdrBookEntry () Name)
+  , _abCurAdrs :: !T.Text -- used for address book CRUD operations
   , _sentTx :: !(Maybe HexString)
   , _unconfBalance :: !Integer
   }
@@ -194,14 +219,15 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
       withBorderStyle unicode $
       B.borderWithLabel
         (str
-           ("Zenith - " <>
+           (" Zenith - " <>
             show (st ^. network) <>
             " - " <>
-            T.unpack
-              (maybe
-                 "(None)"
-                 (\(_, w) -> zcashWalletName $ entityVal w)
-                 (L.listSelectedElement (st ^. wallets)))))
+            (T.unpack
+               (maybe
+                  "(None)"
+                  (\(_, w) -> zcashWalletName $ entityVal w)
+                  (L.listSelectedElement (st ^. wallets)))) ++
+            " "))
         (C.hCenter
            (str
               ("Account: " ++
@@ -224,15 +250,18 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                  else displayTaz (st ^. unconfBalance))) <=>
          listAddressBox "Addresses" (st ^. addresses) <+>
          B.vBorder <+>
-         (C.hCenter (str ("Last block seen: " ++ show (st ^. syncBlock))) <=>
-          listTxBox "Transactions" (st ^. network) (st ^. transactions))) <=>
+         (C.hCenter
+            (str ("Last block seen: " ++ show (st ^. syncBlock) ++ "\n")) <=>
+          listTxBox " Transactions " (st ^. network) (st ^. transactions))) <=>
       C.hCenter
         (hBox
            [ capCommand "W" "allets"
            , capCommand "A" "ccounts"
            , capCommand "V" "iew address"
            , capCommand "S" "end Tx"
+           , capCommand2 "Address " "B" "ook"
            , capCommand "Q" "uit"
+           , capCommand "?" " Help"
            , str $ show (st ^. timer)
            ])
     listBox :: Show e => String -> L.List Name e -> Widget Name
@@ -271,7 +300,7 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
             (hBox
                [ capCommand "↑↓ " "move"
                , capCommand "↲ " "select"
-               , capCommand "Tab " "->"
+               , capCommand3 "" "Tab" " ->"
                ])
         ]
     listTxBox ::
@@ -287,19 +316,20 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
             (hBox
                [ capCommand "↑↓ " "move"
                , capCommand "T" "x Display"
-               , capCommand "Tab " "<-"
+               , capCommand3 "" "Tab" " <-"
                ])
         ]
     helpDialog :: State -> Widget Name
     helpDialog st =
       if st ^. helpBox
         then D.renderDialog
-               (D.dialog (Just (str "Commands")) Nothing 55)
+               (D.dialog (Just (str " Commands ")) Nothing 55)
                (vBox ([C.hCenter $ str "Key", B.hBorder] <> keyList) <+>
                 vBox ([str "Actions", B.hBorder] <> actionList))
         else emptyWidget
       where
-        keyList = map (C.hCenter . str) ["?", "Esc", "w", "a", "v", "q"]
+        keyList =
+          map (C.hCenter . str) ["?", "Esc", "w", "a", "v", "s", "b", "q"]
         actionList =
           map
             (hLimit 40 . str)
@@ -308,6 +338,8 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
             , "Switch wallets"
             , "Switch accounts"
             , "View address"
+            , "Send Tx"
+            , "Address Book"
             , "Quit"
             ]
     inputDialog :: State -> Widget Name
@@ -315,20 +347,20 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
       case st ^. dialogBox of
         WName ->
           D.renderDialog
-            (D.dialog (Just (str "Create Wallet")) Nothing 50)
+            (D.dialog (Just (str " Create Wallet ")) Nothing 50)
             (renderForm $ st ^. inputForm)
         AName ->
           D.renderDialog
-            (D.dialog (Just (str "Create Account")) Nothing 50)
+            (D.dialog (Just (str " Create Account ")) Nothing 50)
             (renderForm $ st ^. inputForm)
         AdName ->
           D.renderDialog
-            (D.dialog (Just (str "Create Address")) Nothing 50)
+            (D.dialog (Just (str " Create Address ")) Nothing 50)
             (renderForm $ st ^. inputForm)
         WSelect ->
           D.renderDialog
-            (D.dialog (Just (str "Select Wallet")) Nothing 50)
-            (selectListBox "Wallets" (st ^. wallets) listDrawWallet <=>
+            (D.dialog (Just (str " Select Wallet ")) Nothing 50)
+            (selectListBox " Wallets " (st ^. wallets) listDrawWallet <=>
              C.hCenter
                (hBox
                   [ capCommand "↑↓ " "move"
@@ -339,8 +371,8 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                   ]))
         ASelect ->
           D.renderDialog
-            (D.dialog (Just (str "Select Account")) Nothing 50)
-            (selectListBox "Accounts" (st ^. accounts) listDrawAccount <=>
+            (D.dialog (Just (str " Select Account ")) Nothing 50)
+            (selectListBox " Accounts " (st ^. accounts) listDrawAccount <=>
              C.hCenter
                (hBox
                   [ capCommand "↑↓ " "move"
@@ -350,11 +382,63 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                   ]))
         SendTx ->
           D.renderDialog
-            (D.dialog (Just (str "Send Transaction")) Nothing 50)
+            (D.dialog (Just (str " Send Transaction ")) Nothing 50)
             (renderForm (st ^. txForm) <=>
              C.hCenter
                (hBox [capCommand "↲ " "Send", capCommand "<esc> " "Cancel"]))
         Blank -> emptyWidget
+        -- Address Book List
+        AdrBook ->
+          D.renderDialog
+            (D.dialog (Just $ str " Address Book ") Nothing 60)
+            (withAttr abDefAttr $
+             setAvailableSize (50, 20) $
+             viewport ABViewport BT.Vertical $
+             vLimit 20 $
+             hLimit 50 $
+             vBox
+               [ vLimit 16 $
+                 hLimit 50 $
+                 vBox $ [L.renderList listDrawAB True (s ^. abAddresses)]
+               , padTop Max $
+                 vLimit 4 $
+                 hLimit 50 $
+                 withAttr abMBarAttr $
+                 vBox $
+                 [ C.hCenter $
+                   (capCommand "N" "ew Address" <+>
+                    capCommand "E" "dit Address" <+>
+                    capCommand3 "" "C" "opy Address")
+                 , C.hCenter $
+                   (capCommand "D" "elete Address" <+>
+                    capCommand "S" "end Zcash" <+> capCommand3 "E" "x" "it")
+                 ]
+               ])
+        -- Address Book new entry form
+        AdrBookForm ->
+          D.renderDialog
+            (D.dialog (Just $ str " New Address Book Entry ") Nothing 50)
+            (renderForm (st ^. abForm) <=>
+             C.hCenter
+               (hBox [capCommand "↲" " Save", capCommand3 "" "<Esc>" " Cancel"]))
+        -- Address Book edit/update entry form
+        AdrBookUpdForm ->
+          D.renderDialog
+            (D.dialog (Just $ str " Edit Address Book Entry ") Nothing 50)
+            (renderForm (st ^. abForm) <=>
+             C.hCenter
+               (hBox [capCommand "↲" " Save", capCommand3 "" "<Esc>" " Cancel"]))
+        -- Address Book edit/update entry form
+        AdrBookDelForm ->
+          D.renderDialog
+            (D.dialog (Just $ str " Delete Address Book Entry ") Nothing 50)
+            (renderForm (st ^. abForm) <=>
+             C.hCenter
+               (hBox
+                  [ capCommand "C" "onfirm delete"
+                  , capCommand3 "" "<Esc>" " Cancel"
+                  ]))
+        -- 
     splashDialog :: State -> Widget Name
     splashDialog st =
       if st ^. splashBox
@@ -366,9 +450,14 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                   (str
                      " _____          _ _   _     \n|__  /___ _ __ (_) |_| |__\n  / // _ \\ '_ \\| | __| '_ \\\n / /|  __/ | | | | |_| | | |\n/____\\___|_| |_|_|\\__|_| |_|") <=>
                 C.hCenter
-                  (withAttr titleAttr (str "Zcash Wallet v0.5.3.0-beta")) <=>
+                  (withAttr titleAttr (str "Zcash Wallet v0.5.3.1-beta")) <=>
                 C.hCenter (withAttr blinkAttr $ str "Press any key..."))
         else emptyWidget
+    capCommand3 :: String -> String -> String -> Widget Name
+    capCommand3 l h e = hBox [str l, withAttr titleAttr (str h), str e]
+    capCommand2 :: String -> String -> String -> Widget Name
+    capCommand2 l h e =
+      hBox [str l, withAttr titleAttr (str h), str e, str " | "]
     capCommand :: String -> String -> Widget Name
     capCommand k comm = hBox [withAttr titleAttr (str k), str comm, str " | "]
     xCommand :: Widget Name
@@ -419,7 +508,7 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
             Just (_, w) ->
               withBorderStyle unicodeBold $
               D.renderDialog
-                (D.dialog (Just $ txt "Seed Phrase") Nothing 50)
+                (D.dialog (Just $ txt " Seed Phrase ") Nothing 50)
                 (padAll 1 $
                  txtWrap $
                  E.decodeUtf8Lenient $
@@ -428,12 +517,12 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
         MsgDisplay ->
           withBorderStyle unicodeBold $
           D.renderDialog
-            (D.dialog (Just $ txt "Message") Nothing 50)
+            (D.dialog (Just $ txt " Message ") Nothing 50)
             (padAll 1 $ strWrap $ st ^. msg)
         TxIdDisplay ->
           withBorderStyle unicodeBold $
           D.renderDialog
-            (D.dialog (Just $ txt "Success") Nothing 50)
+            (D.dialog (Just $ txt " Success ") Nothing 50)
             (padAll 1 $
              (txt "Tx ID: " <+>
               txtWrapWith
@@ -446,7 +535,7 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
             Just (_, tx) ->
               withBorderStyle unicodeBold $
               D.renderDialog
-                (D.dialog (Just $ txt "Transaction") Nothing 50)
+                (D.dialog (Just $ txt " Transaction ") Nothing 50)
                 (padAll
                    1
                    (str
@@ -472,7 +561,7 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
         SyncDisplay ->
           withBorderStyle unicodeBold $
           D.renderDialog
-            (D.dialog (Just $ txt "Sync") Nothing 50)
+            (D.dialog (Just $ txt " Sync ") Nothing 50)
             (padAll
                1
                (updateAttrMap
@@ -486,12 +575,28 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
         SendDisplay ->
           withBorderStyle unicodeBold $
           D.renderDialog
-            (D.dialog (Just $ txt "Sending Transaction") Nothing 50)
+            (D.dialog (Just $ txt " Sending Transaction ") Nothing 50)
             (padAll
                1
                (strWrapWith
                   (WrapSettings False True NoFill FillAfterFirst)
                   (st ^. msg)))
+        AdrBookEntryDisplay -> do
+          case L.listSelectedElement $ st ^. abAddresses of
+            Just (_, a) -> do
+              let abentry =
+                    T.pack $
+                    " Descr: " ++
+                    T.unpack (addressBookAbdescrip (entityVal a)) ++
+                    "\n Address: " ++
+                    T.unpack (addressBookAbaddress (entityVal a))
+              withBorderStyle unicodeBold $
+                D.renderDialog
+                  (D.dialog (Just $ txt " Address Book Entry ") Nothing 60)
+                  (padAll 1 $
+                   txtWrapWith (WrapSettings False True NoFill FillAfterFirst) $
+                   abentry)
+            _ -> emptyWidget
         BlankDisplay -> emptyWidget
 
 mkInputForm :: DialogInput -> Form DialogInput e Name
@@ -516,6 +621,29 @@ mkSendForm bal =
     label s w =
       padBottom (Pad 1) $ vLimit 1 (hLimit 15 $ str s <+> fill ' ') <+> w
 
+mkNewABForm :: AdrBookEntry -> Form AdrBookEntry e Name
+mkNewABForm =
+  newForm
+    [ label "Descrip: " @@= editTextField descrip DescripField (Just 1)
+    , label "Address: " @@= editTextField address AddressField (Just 1)
+    ]
+  where
+    label s w =
+      padBottom (Pad 1) $ vLimit 1 (hLimit 10 $ str s <+> fill ' ') <+> w
+
+isRecipientValid :: T.Text -> Bool
+isRecipientValid a =
+  case isValidUnifiedAddress (E.encodeUtf8 a) of
+    Just _a1 -> True
+    Nothing ->
+      isValidShieldedAddress (E.encodeUtf8 a) ||
+      (case decodeTransparentAddress (E.encodeUtf8 a) of
+         Just _a3 -> True
+         Nothing ->
+           case decodeExchangeAddress a of
+             Just _a4 -> True
+             Nothing -> False)
+
 listDrawElement :: (Show a) => Bool -> a -> Widget Name
 listDrawElement sel a =
   let selStr s =
@@ -572,6 +700,14 @@ listDrawTx znet sel tx =
         then withAttr customAttr (txt $ "> " <> s)
         else txt $ "  " <> s
 
+listDrawAB :: Bool -> Entity AddressBook -> Widget Name
+listDrawAB sel ab =
+  let selStr s =
+        if sel
+          then withAttr abSelAttr (txt $ " " <> s)
+          else txt $ " " <> s
+   in selStr $ addressBookAbdescrip (entityVal ab)
+
 customAttr :: A.AttrName
 customAttr = L.listSelectedAttr <> A.attrName "custom"
 
@@ -590,6 +726,18 @@ barDoneAttr = A.attrName "done"
 barToDoAttr :: A.AttrName
 barToDoAttr = A.attrName "remaining"
 
+abDefAttr :: A.AttrName
+abDefAttr = A.attrName "abdefault"
+
+abSelAttr :: A.AttrName
+abSelAttr = A.attrName "abselected"
+
+abMBarAttr :: A.AttrName
+abMBarAttr = A.attrName "menubar"
+
+validBarValue :: Float -> Float
+validBarValue = clamp 0 1
+
 scanZebra :: T.Text -> T.Text -> Int -> Int -> BC.BChan Tick -> IO ()
 scanZebra dbP zHost zPort b eChan = do
   _ <- liftIO $ initDb dbP
@@ -627,8 +775,7 @@ scanZebra dbP zHost zPort b eChan = do
           "getblock"
           [Data.Aeson.String $ T.pack $ show bl, jsonNumber 1]
       case r of
-        Left e1 -> do
-          liftIO $ BC.writeBChan eChan $ TickMsg e1
+        Left e1 -> liftIO $ BC.writeBChan eChan $ TickMsg e1
         Right blk -> do
           r2 <-
             liftIO $
@@ -638,8 +785,7 @@ scanZebra dbP zHost zPort b eChan = do
               "getblock"
               [Data.Aeson.String $ T.pack $ show bl, jsonNumber 0]
           case r2 of
-            Left e2 -> do
-              liftIO $ BC.writeBChan eChan $ TickMsg e2
+            Left e2 -> liftIO $ BC.writeBChan eChan $ TickMsg e2
             Right hb -> do
               let blockTime = getBlockTime hb
               mapM_ (runNoLoggingT . processTx zHost zPort blockTime pool) $
@@ -666,8 +812,8 @@ appEvent (BT.AppEvent t) = do
         TxDisplay -> return ()
         TxIdDisplay -> return ()
         SyncDisplay -> return ()
-        SendDisplay -> do
-          BT.modify $ set msg m
+        SendDisplay -> BT.modify $ set msg m
+        AdrBookEntryDisplay -> return ()
         BlankDisplay -> return ()
     TickTx txid -> do
       BT.modify $ set sentTx (Just txid)
@@ -680,6 +826,7 @@ appEvent (BT.AppEvent t) = do
         TxDisplay -> return ()
         TxIdDisplay -> return ()
         SendDisplay -> return ()
+        AdrBookEntryDisplay -> return ()
         SyncDisplay -> do
           if s ^. barValue == 1.0
             then do
@@ -712,6 +859,10 @@ appEvent (BT.AppEvent t) = do
             WSelect -> return ()
             ASelect -> return ()
             SendTx -> return ()
+            AdrBook -> return ()
+            AdrBookForm -> return ()
+            AdrBookUpdForm -> return ()
+            AdrBookDelForm -> return ()
             Blank -> do
               if s ^. timer == 90
                 then do
@@ -729,8 +880,7 @@ appEvent (BT.AppEvent t) = do
                       (s ^. eventDispatch)
                   BT.modify $ set timer 0
                   return ()
-                else do
-                  BT.modify $ set timer $ 1 + s ^. timer
+                else BT.modify $ set timer $ 1 + s ^. timer
 appEvent (BT.VtyEvent e) = do
   r <- F.focusGetCurrent <$> use focusRing
   s <- BT.get
@@ -739,8 +889,7 @@ appEvent (BT.VtyEvent e) = do
     else if s ^. helpBox
            then do
              case e of
-               V.EvKey V.KEsc [] -> do
-                 BT.modify $ set helpBox False
+               V.EvKey V.KEsc [] -> BT.modify $ set helpBox False
                _ev -> return ()
            else do
              case s ^. displayBox of
@@ -811,6 +960,7 @@ appEvent (BT.VtyEvent e) = do
                    _ev -> return ()
                SendDisplay -> BT.modify $ set displayBox BlankDisplay
                SyncDisplay -> BT.modify $ set displayBox BlankDisplay
+               AdrBookEntryDisplay -> BT.modify $ set displayBox BlankDisplay
                BlankDisplay -> do
                  case s ^. dialogBox of
                    WName -> do
@@ -873,7 +1023,7 @@ appEvent (BT.VtyEvent e) = do
                        V.EvKey (V.KChar 'n') [] -> do
                          BT.modify $
                            set inputForm $
-                           updateFormState (DialogInput "New Wallet") $
+                           updateFormState (DialogInput " New Wallet ") $
                            s ^. inputForm
                          BT.modify $ set dialogBox WName
                        V.EvKey (V.KChar 's') [] ->
@@ -890,7 +1040,7 @@ appEvent (BT.VtyEvent e) = do
                        V.EvKey (V.KChar 'n') [] -> do
                          BT.modify $
                            set inputForm $
-                           updateFormState (DialogInput "New Account") $
+                           updateFormState (DialogInput " New Account ") $
                            s ^. inputForm
                          BT.modify $ set dialogBox AName
                        ev -> BT.zoom accounts $ L.handleListEvent ev
@@ -951,7 +1101,7 @@ appEvent (BT.VtyEvent e) = do
                              BT.modify $ set msg "Invalid inputs"
                              BT.modify $ set displayBox MsgDisplay
                              BT.modify $ set dialogBox Blank
-                       ev -> do
+                       ev ->
                          BT.zoom txForm $ do
                            handleFormEvent (BT.VtyEvent ev)
                            fs <- BT.gets formState
@@ -959,6 +1109,189 @@ appEvent (BT.VtyEvent e) = do
                              setFieldValid
                                (isRecipientValid (fs ^. sendTo))
                                RecField
+                   AdrBook -> do
+                     case e of
+                       V.EvKey (V.KChar 'x') [] ->
+                         BT.modify $ set dialogBox Blank
+                       V.EvKey (V.KChar 'c') []
+                         -- Copy Address to Clipboard
+                        -> do
+                         case L.listSelectedElement $ s ^. abAddresses of
+                           Just (_, a) -> do
+                             liftIO $
+                               setClipboard $
+                               T.unpack $ addressBookAbaddress (entityVal a)
+                             BT.modify $
+                               set msg $
+                               "Address copied to Clipboard from >>\n" ++
+                               T.unpack (addressBookAbdescrip (entityVal a))
+                             BT.modify $ set displayBox MsgDisplay
+                           _ -> do
+                             BT.modify $
+                               set msg "Error while copying the address!!"
+                             BT.modify $ set displayBox MsgDisplay
+                       -- Send Zcash transaction              
+                       V.EvKey (V.KChar 's') [] -> do
+                         case L.listSelectedElement $ s ^. abAddresses of
+                           Just (_, a) -> do
+                             BT.modify $
+                               set txForm $
+                               mkSendForm
+                                 (s ^. balance)
+                                 (SendInput
+                                    (addressBookAbaddress (entityVal a))
+                                    0.0
+                                    "")
+                             BT.modify $ set dialogBox SendTx
+                           _ -> do
+                             BT.modify $
+                               set msg "No receiver address available!!"
+                             BT.modify $ set displayBox MsgDisplay
+                       -- Edit an entry in Address Book              
+                       V.EvKey (V.KChar 'e') [] -> do
+                         case L.listSelectedElement $ s ^. abAddresses of
+                           Just (_, a) -> do
+                             BT.modify $
+                               set
+                                 abCurAdrs
+                                 (addressBookAbaddress (entityVal a))
+                             BT.modify $
+                               set abForm $
+                               mkNewABForm
+                                 (AdrBookEntry
+                                    (addressBookAbdescrip (entityVal a))
+                                    (addressBookAbaddress (entityVal a)))
+                             BT.modify $ set dialogBox AdrBookUpdForm
+                           _ -> do
+                             BT.modify $ set dialogBox Blank
+                       -- Delete an entry from Address Book              
+                       V.EvKey (V.KChar 'd') [] -> do
+                         case L.listSelectedElement $ s ^. abAddresses of
+                           Just (_, a) -> do
+                             BT.modify $
+                               set
+                                 abCurAdrs
+                                 (addressBookAbaddress (entityVal a))
+                             BT.modify $
+                               set abForm $
+                               mkNewABForm
+                                 (AdrBookEntry
+                                    (addressBookAbdescrip (entityVal a))
+                                    (addressBookAbaddress (entityVal a)))
+                             BT.modify $ set dialogBox AdrBookDelForm
+                           _ -> do
+                             BT.modify $ set dialogBox Blank
+                       -- Create a new entry in Address Book              
+                       V.EvKey (V.KChar 'n') [] -> do
+                         BT.modify $
+                           set abForm $ mkNewABForm (AdrBookEntry "" "")
+                         BT.modify $ set dialogBox AdrBookForm
+                       -- Show AddressBook entry data  
+                       V.EvKey V.KEnter [] -> do
+                         BT.modify $ set displayBox AdrBookEntryDisplay
+                       -- Process any other event       
+                       ev -> BT.zoom abAddresses $ L.handleListEvent ev
+                   -- Process new address book entry
+                   AdrBookForm -> do
+                     case e of
+                       V.EvKey V.KEsc [] -> BT.modify $ set dialogBox AdrBook
+                       V.EvKey V.KEnter [] -> do
+                         pool <- liftIO $ runNoLoggingT $ initPool $ s ^. dbPath
+                         fs <- BT.zoom abForm $ BT.gets formState
+                         let idescr = T.unpack $ T.strip (fs ^. descrip)
+                         let iabadr = fs ^. address
+                         if not (null idescr) && isRecipientValid iabadr
+                           then do
+                             res <-
+                               liftIO $
+                               saveAdrsInAdrBook pool $
+                               AddressBook
+                                 (ZcashNetDB (s ^. network))
+                                 (fs ^. descrip)
+                                 (fs ^. address)
+                             case res of
+                               Nothing -> do
+                                 BT.modify $
+                                   set
+                                     msg
+                                     ("AddressBook Entry already exists: " ++
+                                      T.unpack (fs ^. address))
+                                 BT.modify $ set displayBox MsgDisplay
+                               Just _ -> do
+                                 BT.modify $
+                                   set
+                                     msg
+                                     ("New AddressBook entry created!!\n" ++
+                                      T.unpack (fs ^. address))
+                                 BT.modify $ set displayBox MsgDisplay
+                                -- case end    
+                             s' <- liftIO $ refreshAddressBook s
+                             BT.put s'
+                             BT.modify $ set dialogBox AdrBook
+                           else do
+                             BT.modify $ set msg "Invalid or missing data!!: "
+                             BT.modify $ set displayBox MsgDisplay
+                             BT.modify $ set dialogBox AdrBookForm
+                       ev ->
+                         BT.zoom abForm $ do
+                           handleFormEvent (BT.VtyEvent ev)
+                           fs <- BT.gets formState
+                           BT.modify $
+                             setFieldValid
+                               (isRecipientValid (fs ^. address))
+                               AddressField
+                   AdrBookUpdForm -> do
+                     case e of
+                       V.EvKey V.KEsc [] -> BT.modify $ set dialogBox AdrBook
+                       V.EvKey V.KEnter [] -> do
+                         pool <- liftIO $ runNoLoggingT $ initPool $ s ^. dbPath
+                         fs <- BT.zoom abForm $ BT.gets formState
+                         let idescr = T.unpack $ T.strip (fs ^. descrip)
+                         let iabadr = fs ^. address
+                         if not (null idescr) && isRecipientValid iabadr
+                           then do
+                             res <-
+                               liftIO $
+                               updateAdrsInAdrBook
+                                 pool
+                                 (fs ^. descrip)
+                                 (fs ^. address)
+                                 (s ^. abCurAdrs)
+                             BT.modify $
+                               set
+                                 msg
+                                 ("AddressBook entry modified!!\n" ++
+                                  T.unpack (fs ^. address))
+                             BT.modify $ set displayBox MsgDisplay
+                                -- case end    
+                             s' <- liftIO $ refreshAddressBook s
+                             BT.put s'
+                             BT.modify $ set dialogBox AdrBook
+                           else do
+                             BT.modify $ set msg "Invalid or missing data!!: "
+                             BT.modify $ set displayBox MsgDisplay
+                             BT.modify $ set dialogBox AdrBookForm
+                       ev ->
+                         BT.zoom abForm $ do
+                           handleFormEvent (BT.VtyEvent ev)
+                           fs <- BT.gets formState
+                           BT.modify $
+                             setFieldValid
+                               (isRecipientValid (fs ^. address))
+                               AddressField
+                   -- Process delete AddresBook entry
+                   AdrBookDelForm -> do
+                     case e of
+                       V.EvKey V.KEsc [] -> BT.modify $ set dialogBox AdrBook
+                       V.EvKey (V.KChar 'c') [] -> do
+                         pool <- liftIO $ runNoLoggingT $ initPool $ s ^. dbPath
+                         fs <- BT.zoom abForm $ BT.gets formState
+                         res <- liftIO $ deleteAdrsFromAB pool (fs ^. address)
+                         s' <- liftIO $ refreshAddressBook s
+                         BT.put s'
+                         BT.modify $ set dialogBox AdrBook
+                       ev -> BT.modify $ set dialogBox AdrBookDelForm
+                   -- Process any other event    
                    Blank -> do
                      case e of
                        V.EvKey (V.KChar '\t') [] -> focusRing %= F.focusNext
@@ -982,12 +1315,16 @@ appEvent (BT.VtyEvent e) = do
                            set txForm $
                            mkSendForm (s ^. balance) (SendInput "" 0.0 "")
                          BT.modify $ set dialogBox SendTx
+                       V.EvKey (V.KChar 'b') [] ->
+                         BT.modify $ set dialogBox AdrBook
                        ev ->
                          case r of
                            Just AList ->
                              BT.zoom addresses $ L.handleListEvent ev
                            Just TList ->
                              BT.zoom transactions $ L.handleListEvent ev
+                           Just ABList ->
+                             BT.zoom abAddresses $ L.handleListEvent ev
                            _anyName -> return ()
   where
     printMsg :: String -> BT.EventM Name State ()
@@ -1007,11 +1344,14 @@ theMap =
     , (blinkAttr, style V.blink)
     , (focusedFormInputAttr, V.white `on` V.blue)
     , (invalidFormInputAttr, V.red `on` V.black)
-    , (E.editAttr, V.white `on` V.blue)
-    , (E.editFocusedAttr, V.blue `on` V.white)
+    , (E.editAttr, V.white `on` V.black)
+    , (E.editFocusedAttr, V.black `on` V.white)
     , (baseAttr, bg V.brightBlack)
     , (barDoneAttr, V.white `on` V.blue)
     , (barToDoAttr, V.white `on` V.black)
+    , (abDefAttr, V.white `on` V.blue)
+    , (abSelAttr, V.black `on` V.white)
+    , (abMBarAttr, V.white `on` V.black)
     ]
 
 theApp :: M.App State Tick Name
@@ -1024,8 +1364,8 @@ theApp =
     , M.appAttrMap = const theMap
     }
 
-runZenithCLI :: Config -> IO ()
-runZenithCLI config = do
+runZenithTUI :: Config -> IO ()
+runZenithTUI config = do
   let host = c_zebraHost config
   let port = c_zebraPort config
   let dbFilePath = c_dbPath config
@@ -1057,6 +1397,7 @@ runZenithCLI config = do
                 if not (null walList)
                   then zcashWalletLastSync $ entityVal $ head walList
                   else 0
+          abookList <- getAdrBook pool $ zgb_net chainInfo
           bal <-
             if not (null accList)
               then getBalance pool $ entityKey $ head accList
@@ -1101,6 +1442,9 @@ runZenithCLI config = do
               eventChan
               0
               (mkSendForm 0 $ SendInput "" 0.0 "")
+              (L.list ABList (Vec.fromList abookList) 1)
+              (mkNewABForm (AdrBookEntry "" ""))
+              ""
               Nothing
               uBal
     Left e -> do
@@ -1163,14 +1507,13 @@ addNewWallet n s = do
   let netName = s ^. network
   r <- saveWallet pool $ ZcashWallet n (ZcashNetDB netName) (PhraseDB sP) bH 0
   case r of
-    Nothing -> do
-      return $ s & msg .~ ("Wallet already exists: " ++ T.unpack n)
+    Nothing -> return $ s & msg .~ ("Wallet already exists: " ++ T.unpack n)
     Just _ -> do
       wL <- getWallets pool netName
       let aL =
             L.listFindBy (\x -> zcashWalletName (entityVal x) == n) $
             L.listReplace (Vec.fromList wL) (Just 0) (s ^. wallets)
-      return $ (s & wallets .~ aL) & msg .~ "Created new wallet: " ++ T.unpack n
+      return $ s & wallets .~ aL & msg .~ "Created new wallet: " ++ T.unpack n
 
 addNewAccount :: T.Text -> State -> IO State
 addNewAccount n s = do
@@ -1189,19 +1532,18 @@ addNewAccount n s = do
     try $ createZcashAccount n (aL' + 1) selWallet :: IO
       (Either IOError ZcashAccount)
   case zA of
-    Left e -> return $ s & msg .~ ("Error: " ++ show e)
+    Left e -> return $ s & msg .~ "Error: " ++ show e
     Right zA' -> do
       r <- saveAccount pool zA'
       case r of
-        Nothing ->
-          return $ s & msg .~ ("Account already exists: " ++ T.unpack n)
+        Nothing -> return $ s & msg .~ "Account already exists: " ++ T.unpack n
         Just x -> do
           aL <- runNoLoggingT $ getAccounts pool (entityKey selWallet)
           let nL =
                 L.listMoveToElement x $
                 L.listReplace (Vec.fromList aL) (Just 0) (s ^. accounts)
           return $
-            (s & accounts .~ nL) & msg .~ "Created new account: " ++ T.unpack n
+            s & accounts .~ nL & msg .~ "Created new account: " ++ T.unpack n
 
 refreshAccount :: State -> IO State
 refreshAccount s = do
@@ -1259,6 +1601,21 @@ refreshTxs s = do
       let tL' = L.listReplace (Vec.fromList tList) (Just 0) (s ^. transactions)
       return $ s & transactions .~ tL'
 
+refreshAddressBook :: State -> IO State
+refreshAddressBook s = do
+  pool <- runNoLoggingT $ initPool $ s ^. dbPath
+  selAddress <-
+    do case L.listSelectedElement $ s ^. abAddresses of
+         Nothing -> do
+           let fAdd =
+                 L.listSelectedElement $
+                 L.listMoveToBeginning $ s ^. abAddresses
+           return fAdd
+         Just a2 -> return $ Just a2
+  abookList <- getAdrBook pool (s ^. network)
+  let tL' = L.listReplace (Vec.fromList abookList) (Just 0) (s ^. abAddresses)
+  return $ s & abAddresses .~ tL'
+
 addNewAddress :: T.Text -> Scope -> State -> IO State
 addNewAddress n scope s = do
   pool <- runNoLoggingT $ initPool $ s ^. dbPath
@@ -1276,19 +1633,18 @@ addNewAddress n scope s = do
     try $ createWalletAddress n (maxAddr + 1) (s ^. network) scope selAccount :: IO
       (Either IOError WalletAddress)
   case uA of
-    Left e -> return $ s & msg .~ ("Error: " ++ show e)
+    Left e -> return $ s & msg .~ "Error: " ++ show e
     Right uA' -> do
       nAddr <- saveAddress pool uA'
       case nAddr of
-        Nothing ->
-          return $ s & msg .~ ("Address already exists: " ++ T.unpack n)
+        Nothing -> return $ s & msg .~ "Address already exists: " ++ T.unpack n
         Just x -> do
           addrL <- runNoLoggingT $ getAddresses pool (entityKey selAccount)
           let nL =
                 L.listMoveToElement x $
                 L.listReplace (Vec.fromList addrL) (Just 0) (s ^. addresses)
           return $
-            (s & addresses .~ nL) & msg .~ "Created new address: " ++
+            s & addresses .~ nL & msg .~ "Created new address: " ++
             T.unpack n ++
             "(" ++
             T.unpack (showAddress $ walletAddressUAddress $ entityVal x) ++ ")"
diff --git a/src/Zenith/Core.hs b/src/Zenith/Core.hs
index a8dc6f2..abfb476 100644
--- a/src/Zenith/Core.hs
+++ b/src/Zenith/Core.hs
@@ -24,7 +24,7 @@ import Data.Binary.Get hiding (getBytes)
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Lazy as LBS
 import Data.Digest.Pure.MD5
-import Data.HexString (HexString, hexString, toBytes)
+import Data.HexString (HexString, hexString, toBytes, toText)
 import Data.List
 import Data.Maybe (fromJust)
 import Data.Pool (Pool)
@@ -574,6 +574,7 @@ prepareTx pool zebraHost zebraPort zn za bh amt ua memo = do
                   zn
                   (bh + 3)
                   True
+          logDebugN $ T.pack $ show tx
           return tx
   where
     makeOutgoing ::
diff --git a/src/Zenith/DB.hs b/src/Zenith/DB.hs
index 384f3bb..aea3c5a 100644
--- a/src/Zenith/DB.hs
+++ b/src/Zenith/DB.hs
@@ -254,6 +254,12 @@ share
     name T.Text
     UniqueQr address version
     deriving Show Eq
+  AddressBook
+    network ZcashNetDB
+    abdescrip T.Text
+    abaddress T.Text
+    UniqueABA abaddress
+    deriving Show Eq
     |]
 
 -- * Database functions
@@ -1666,5 +1672,55 @@ readUnifiedAddressDB :: WalletAddress -> Maybe UnifiedAddress
 readUnifiedAddressDB =
   isValidUnifiedAddress . TE.encodeUtf8 . getUA . walletAddressUAddress
 
+-- | Get list of external zcash addresses from database
+getAdrBook :: ConnectionPool -> ZcashNet -> IO [Entity AddressBook]
+getAdrBook pool n =
+  runNoLoggingT $
+  PS.retryOnBusy $
+  flip PS.runSqlPool pool $ do
+    select $ do
+      adrbook <- from $ table @AddressBook
+      where_ (adrbook ^. AddressBookNetwork ==. val (ZcashNetDB n))
+      pure adrbook
+
+-- | Save a new address into AddressBook 
+saveAdrsInAdrBook ::
+     ConnectionPool -- ^ The database path to use
+  -> AddressBook -- ^ The address to add to the database
+  -> IO (Maybe (Entity AddressBook))
+saveAdrsInAdrBook pool a =
+  runNoLoggingT $
+  PS.retryOnBusy $ flip PS.runSqlPool pool $ insertUniqueEntity a
+
+-- | Update an existing address into AddressBook 
+updateAdrsInAdrBook :: ConnectionPool -> T.Text -> T.Text -> T.Text -> IO ()
+updateAdrsInAdrBook pool d a ia = do
+  runNoLoggingT $
+    PS.retryOnBusy $
+    flip PS.runSqlPool pool $ do
+      update $ \ab -> do
+        set ab [AddressBookAbdescrip =. val d, AddressBookAbaddress =. val a]
+        where_ $ ab ^. AddressBookAbaddress ==. val ia
+
+-- | Get one AddrssBook record using the Address as a key
+-- getABookRec :: ConnectionPool -> T.Tex t -> IO (Maybe (Entity AddressBook))
+-- getABookRec pool a = do
+--  runNoLoggingT $
+--    PS.retryOnBusy $
+--    flip PS.runSqlPool pool $
+--      select $ do
+--        adrbook <- from $ table @AddressBook
+--        where_ ((adrbook ^. AddressBookAbaddress) ==. val a)
+--        return adrbook
+-- | delete an existing address from AddressBook 
+deleteAdrsFromAB :: ConnectionPool -> T.Text -> IO ()
+deleteAdrsFromAB pool ia = do
+  runNoLoggingT $
+    PS.retryOnBusy $
+    flip PS.runSqlPool pool $ do
+      delete $ do
+        ab <- from $ table @AddressBook
+        where_ (ab ^. AddressBookAbaddress ==. val ia)
+
 rmdups :: Ord a => [a] -> [a]
 rmdups = map head . group . sort
diff --git a/src/Zenith/Utils.hs b/src/Zenith/Utils.hs
index 6ad1816..eedf02d 100644
--- a/src/Zenith/Utils.hs
+++ b/src/Zenith/Utils.hs
@@ -37,18 +37,18 @@ jsonNumber i = Number $ scientific (fromIntegral i) 0
 -- | Helper function to display small amounts of ZEC
 displayZec :: Integer -> String
 displayZec s
-  | abs s < 100 = show s ++ " zats "
-  | abs s < 100000 = show (fromIntegral s / 100) ++ " μZEC "
-  | abs s < 100000000 = show (fromIntegral s / 100000) ++ " mZEC "
+  | abs s < 100 = show s ++ " zats"
+  | abs s < 100000 = show (fromIntegral s / 100) ++ " μZEC"
+  | abs s < 100000000 = show (fromIntegral s / 100000) ++ " mZEC"
   | otherwise = show (fromIntegral s / 100000000) ++ " ZEC "
 
 -- | Helper function to display small amounts of ZEC
 displayTaz :: Integer -> String
 displayTaz s
-  | abs s < 100 = show s ++ " tazs "
-  | abs s < 100000 = show (fromIntegral s / 100) ++ " μTAZ "
-  | abs s < 100000000 = show (fromIntegral s / 100000) ++ " mTAZ "
-  | otherwise = show (fromIntegral s / 100000000) ++ " TAZ "
+  | abs s < 100 = show s ++ " tazs"
+  | abs s < 100000 = show (fromIntegral s / 100) ++ " μTAZ"
+  | abs s < 100000000 = show (fromIntegral s / 100000) ++ " mTAZ"
+  | otherwise = show (fromIntegral s / 100000000) ++ " TAZ"
 
 displayAmount :: ZcashNet -> Integer -> T.Text
 displayAmount n a =
diff --git a/zenith.cabal b/zenith.cabal
index 32ef24e..e90d4eb 100644
--- a/zenith.cabal
+++ b/zenith.cabal
@@ -1,6 +1,6 @@
 cabal-version:    3.0
 name:             zenith
-version:          0.5.3.0-beta
+version:          0.5.3.1-beta
 license:          MIT
 license-file:     LICENSE
 author:           Rene Vergara
diff --git a/zenith_er.bmp b/zenith_er.bmp
new file mode 100644
index 0000000..d248b8f
Binary files /dev/null and b/zenith_er.bmp differ
diff --git a/zenith_er.png b/zenith_er.png
new file mode 100644
index 0000000..5d6d21c
Binary files /dev/null and b/zenith_er.png differ