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 8daee9c..aa0b028 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.5.2.0-beta]
 
+### Added
+
+- Address Book functionality. Allows users to store frequently used zcash addresses and
+  generate transactions using them.
+
 ### Changed
 
 - Update to `zcash-haskell-0.6.2.0` to increase performance of transaction creation
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/src/Zenith/CLI.hs b/src/Zenith/CLI.hs
index cfef49d..a324b38 100644
--- a/src/Zenith/CLI.hs
+++ b/src/Zenith/CLI.hs
@@ -3,6 +3,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 
+
 module Zenith.CLI where
 
 import qualified Brick.AttrMap as A
@@ -21,6 +22,8 @@ import Brick.Forms
   , renderForm
   , setFieldValid
   , updateFormState
+  , FormFieldState
+  , editShowableField
   )
 import qualified Brick.Main as M
 import qualified Brick.Types as BT
@@ -40,6 +43,9 @@ import Brick.Widgets.Core
   , joinBorders
   , padAll
   , padBottom
+  , padTop
+  , padLeft
+  , setAvailableSize
   , str
   , strWrap
   , strWrapWith
@@ -48,6 +54,7 @@ import Brick.Widgets.Core
   , txtWrapWith
   , updateAttrMap
   , vBox
+  , viewport
   , vLimit
   , withAttr
   , withBorderStyle
@@ -109,6 +116,10 @@ data Name
   | RecField
   | AmtField
   | MemoField
+  | ABViewport
+  | ABList
+  | DescripField
+  | AddressField
   deriving (Eq, Show, Ord)
 
 data DialogInput = DialogInput
@@ -125,6 +136,13 @@ data SendInput = SendInput
 
 makeLenses ''SendInput
 
+data AdrBookEntry = AdrBookEntry
+  { _descrip :: !T.Text
+  , _address :: !T.Text
+  } deriving (Show)
+
+makeLenses ''AdrBookEntry
+
 data DialogType
   = WName
   | AName
@@ -133,6 +151,10 @@ data DialogType
   | ASelect
   | SendTx
   | Blank
+  | AdrBook
+  | AdrBookForm
+  | AdrBookUpdForm
+  | AdrBookDelForm
 
 data DisplayType
   = AddrDisplay
@@ -142,6 +164,7 @@ data DisplayType
   | TxIdDisplay
   | SyncDisplay
   | SendDisplay
+  | AdrBookEntryDisplay
   | BlankDisplay
 
 data Tick
@@ -172,6 +195,9 @@ 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)
   }
 
@@ -186,14 +212,14 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
       withBorderStyle unicode $
       B.borderWithLabel
         (str
-           ("Zenith - " <>
+           (" Zenith - " <>
             show (st ^. network) <>
             " - " <>
-            T.unpack
+            (T.unpack
               (maybe
                  "(None)"
                  (\(_, w) -> zcashWalletName $ entityVal w)
-                 (L.listSelectedElement (st ^. wallets)))))
+                 (L.listSelectedElement (st ^. wallets)))) ++ " "))
         (C.hCenter
            (str
               ("Account: " ++
@@ -208,17 +234,19 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                if st ^. network == MainNet
                  then displayZec (st ^. balance)
                  else displayTaz (st ^. balance))) <=>
-         listAddressBox "Addresses" (st ^. addresses) <+>
+         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
@@ -257,7 +285,7 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
             (hBox
                [ capCommand "↑↓ " "move"
                , capCommand "↲ " "select"
-               , capCommand "Tab " "->"
+               , capCommand3 "" "Tab" " ->"
                ])
         ]
     listTxBox ::
@@ -273,7 +301,7 @@ 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
@@ -285,7 +313,7 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                 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)
@@ -294,6 +322,8 @@ 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
@@ -341,6 +371,53 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
              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
@@ -355,6 +432,13 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                   (withAttr titleAttr (str "Zcash Wallet v0.5.3.0-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
@@ -478,6 +562,21 @@ drawUI s = [splashDialog s, helpDialog s, displayDialog s, inputDialog s, ui s]
                (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
@@ -498,10 +597,20 @@ mkSendForm bal =
     ]
   where
     isAmountValid :: Integer -> Float -> Bool
-    isAmountValid b i = (fromIntegral b * 100000000.0) >= i
+    isAmountValid b i = (fromIntegral b * 100000000.0) >= i && i > 0
     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
@@ -571,6 +680,14 @@ 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"
 
@@ -589,6 +706,15 @@ 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
 
@@ -600,8 +726,7 @@ scanZebra dbP zHost zPort b eChan = do
   dbBlock <- runNoLoggingT $ getMaxBlock pool
   let sb = max dbBlock b
   if sb > zgb_blocks bStatus || sb < 1
-    then do
-      liftIO $ BC.writeBChan eChan $ TickMsg "Invalid starting block for scan"
+    then liftIO $ BC.writeBChan eChan $ TickMsg "Invalid starting block for scan"
     else do
       let bList = [(sb + 1) .. (zgb_blocks bStatus)]
       if not (null bList)
@@ -621,8 +746,7 @@ 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 $
@@ -632,8 +756,7 @@ 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) $
@@ -660,8 +783,8 @@ 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)
@@ -674,6 +797,7 @@ appEvent (BT.AppEvent t) = do
         TxDisplay -> return ()
         TxIdDisplay -> return ()
         SendDisplay -> return ()
+        AdrBookEntryDisplay -> return ()
         SyncDisplay -> do
           if s ^. barValue == 1.0
             then do
@@ -706,6 +830,10 @@ 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
@@ -723,8 +851,7 @@ 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
@@ -733,8 +860,7 @@ 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
@@ -805,6 +931,7 @@ 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
@@ -945,14 +1072,150 @@ appEvent (BT.VtyEvent e) = do
                              BT.modify $ set msg "Invalid inputs"
                              BT.modify $ set displayBox MsgDisplay
                              BT.modify $ set dialogBox Blank
-                       ev -> do
-                         BT.zoom txForm $ do
-                           handleFormEvent (BT.VtyEvent ev)
-                           fs <- BT.gets formState
-                           BT.modify $
-                             setFieldValid
-                               (isRecipientValid (fs ^. sendTo))
-                               RecField
+                       ev -> BT.zoom txForm $ do
+                         handleFormEvent (BT.VtyEvent ev)
+                         fs <- BT.gets formState
+                         BT.modify $
+                           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') [] -> do
+                         -- Copy Address to Clipboard
+                         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
@@ -976,12 +1239,16 @@ 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 ()
@@ -1001,11 +1268,14 @@ 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
@@ -1051,6 +1321,9 @@ 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
@@ -1091,6 +1364,9 @@ runZenithCLI config = do
               eventChan
               0
               (mkSendForm 0 $ SendInput "" 0.0 "")
+              (L.list ABList (Vec.fromList abookList) 1)
+              (mkNewABForm (AdrBookEntry "" ""))
+              ""
               Nothing
     Left e -> do
       print $
@@ -1146,14 +1422,13 @@ 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
@@ -1172,19 +1447,19 @@ 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)
+          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
@@ -1237,6 +1512,20 @@ 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
@@ -1254,19 +1543,19 @@ 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)
+          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 a48151d..8f9eef1 100644
--- a/src/Zenith/DB.hs
+++ b/src/Zenith/DB.hs
@@ -246,6 +246,12 @@ share
     position Int
     UniqueSSPos tx position
     deriving Show Eq
+  AddressBook
+    network ZcashNetDB
+    abdescrip T.Text
+    abaddress T.Text
+    UniqueABA abaddress
+    deriving Show Eq
     |]
 
 -- * Database functions
@@ -1467,5 +1473,56 @@ 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 96ca8dd..0f73fc9 100644
--- a/src/Zenith/Utils.hs
+++ b/src/Zenith/Utils.hs
@@ -26,18 +26,18 @@ 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"
 
 -- | Helper function to display abbreviated Unified Address
 showAddress :: UnifiedAddressDB -> T.Text
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