diff --git a/src/main/java/me/badbones69/crazyauctions/Main.java b/src/main/java/me/badbones69/crazyauctions/Main.java
index 10b1154..7fd7445 100644
--- a/src/main/java/me/badbones69/crazyauctions/Main.java
+++ b/src/main/java/me/badbones69/crazyauctions/Main.java
@@ -132,11 +132,10 @@ public class Main extends JavaPlugin implements Listener {
                         } else {
                             item.setAmount(item.getAmount() - amount);
                         }
-                        return true;
                     } else {
                         sender.sendMessage(Messages.DOSENT_HAVE_ITEM_IN_HAND.getMessage());
-                        return true;
                     }
+                    return true;
                 }
                 if (args[0].equalsIgnoreCase("Reload")) {// CA Reload
                     if (!Methods.hasPermission(sender, "Admin")) return true;
@@ -308,6 +307,10 @@ public class Main extends JavaPlugin implements Listener {
                                 }
                             }
                         }
+                        if (!allowBook(item)) {
+                            player.sendMessage(Messages.BOOK_NOT_ALLOWED.getMessage());
+                            return true;
+                        }
                         String seller = player.getName();
                         // For testing as another player
                         //String seller = "Test-Account";
@@ -341,6 +344,7 @@ public class Main extends JavaPlugin implements Listener {
                         Files.DATA.getFile().set("Items." + num + ".TopBidder", "None");
                         ItemStack I = item.clone();
                         I.setAmount(amount);
+                        System.out.println(I.toString().length());
                         Files.DATA.getFile().set("Items." + num + ".Item", I);
                         Files.DATA.saveFile();
                         Bukkit.getPluginManager().callEvent(new AuctionListEvent(player, type, I, price));
@@ -388,7 +392,7 @@ public class Main extends JavaPlugin implements Listener {
     
     private ArrayList<Material> getDamageableItems() {
         ArrayList<Material> ma = new ArrayList<>();
-        if (Version.getCurrentVersion().isNewer(Version.v1_12_R1)) {
+        if (Version.isNewer(Version.v1_12_R1)) {
             ma.add(Material.matchMaterial("GOLDEN_HELMET"));
             ma.add(Material.matchMaterial("GOLDEN_CHESTPLATE"));
             ma.add(Material.matchMaterial("GOLDEN_LEGGINGS"));
@@ -460,4 +464,15 @@ public class Main extends JavaPlugin implements Listener {
         return ma;
     }
     
+    private boolean allowBook(ItemStack item) {
+        if (item.getType() == Material.WRITTEN_BOOK || item.getType() == getMaterial("WRITABLE_BOOK", "BOOK_AND_QUILL")) {
+            return item.toString().length() > 2000;
+        }
+        return true;
+    }
+    
+    public Material getMaterial(String newMaterial, String oldMaterial) {
+        return Material.matchMaterial(Version.isNewer(Version.v1_12_R1) ? newMaterial : oldMaterial);
+    }
+    
 }
\ No newline at end of file
diff --git a/src/main/java/me/badbones69/crazyauctions/api/Messages.java b/src/main/java/me/badbones69/crazyauctions/api/Messages.java
index 908f2fe..6fd619b 100644
--- a/src/main/java/me/badbones69/crazyauctions/api/Messages.java
+++ b/src/main/java/me/badbones69/crazyauctions/api/Messages.java
@@ -45,6 +45,7 @@ public enum Messages {
     CRAZYAUCTIONS_HELP("CrazyAuctions-Help", "&c/ah help"),
     CRAZYAUCTIONS_VIEW("CrazyAuctions-View", "&c/ah view <player>"),
     CRAZYAUCTIONS_SELL_BID("CrazyAuctions-Sell-Bid", "&c/ah sell/bid <price> [amount of items]"),
+    BOOK_NOT_ALLOWED("Book-Not-Allowed", "&cThat book is not able to be sold in this auction house!"),
     HELP("Help-Menu", Arrays.asList(
     "&e-- &6Crazy Auctions Help &e--",
     "&9/Ah - &eOpens the crazy auction.",
diff --git a/src/main/java/me/badbones69/crazyauctions/api/Version.java b/src/main/java/me/badbones69/crazyauctions/api/Version.java
index 1e8d810..a77b03d 100644
--- a/src/main/java/me/badbones69/crazyauctions/api/Version.java
+++ b/src/main/java/me/badbones69/crazyauctions/api/Version.java
@@ -15,9 +15,9 @@ public enum Version {
     v1_14_R1(1141),
     TOO_NEW(-2);
     
-    public static Version currentVersion;
+    private static Version currentVersion;
     private static Version latest;
-    private Integer versionInteger;
+    private int versionInteger;
     
     private Version(int versionInteger) {
         this.versionInteger = versionInteger;
@@ -30,7 +30,7 @@ public enum Version {
     public static Version getCurrentVersion() {
         if (currentVersion == null) {
             String ver = Bukkit.getServer().getClass().getPackage().getName();
-            int v = Integer.parseInt(ver.substring(ver.lastIndexOf('.') + 1).replaceAll("_", "").replaceAll("R", "").replaceAll("v", ""));
+            int v = Integer.parseInt(ver.substring(ver.lastIndexOf('.') + 1).replace("_", "").replace("R", "").replace("v", ""));
             for (Version version : values()) {
                 if (version.getVersionInteger() == v) {
                     currentVersion = version;
@@ -62,6 +62,7 @@ public enum Version {
             return v;
         } else {
             return latest;
+            
         }
     }
     
@@ -69,7 +70,7 @@ public enum Version {
      *
      * @return The server's minecraft version as an integer.
      */
-    public Integer getVersionInteger() {
+    public int getVersionInteger() {
         return this.versionInteger;
     }
     
@@ -78,18 +79,18 @@ public enum Version {
      * @param version The version you are checking.
      * @return -1 if older, 0 if the same, and 1 if newer.
      */
-    public Integer comparedTo(Version version) {
-        int resault = -1;
+    public int comparedTo(Version version) {
+        int result = -1;
         int current = this.getVersionInteger();
         int check = version.getVersionInteger();
         if (current > check || check == -2) {// check is newer then current
-            resault = 1;
+            result = 1;
         } else if (current == check) {// check is the same as current
-            resault = 0;
-        } else if (current < check || check == -1) {// check is older then current
-            resault = -1;
+            result = 0;
+        } else if (check == -1) {// check is older then current
+            result = -1;
         }
-        return resault;
+        return result;
     }
     
     /**
@@ -97,8 +98,9 @@ public enum Version {
      * @param version The version you are checking.
      * @return True if newer then the checked version and false if the same or older.
      */
-    public Boolean isNewer(Version version) {
-        return this.versionInteger > version.versionInteger || this.versionInteger == -2;
+    public static boolean isNewer(Version version) {
+        if (currentVersion == null) getCurrentVersion();
+        return currentVersion.versionInteger > version.versionInteger || currentVersion.versionInteger == -2;
     }
     
     /**
@@ -106,8 +108,9 @@ public enum Version {
      * @param version The version you are checking.
      * @return True if both the current and checked version is the same and false if otherwise.
      */
-    public Boolean isSame(Version version) {
-        return this.versionInteger.equals(version.versionInteger);
+    public static boolean isSame(Version version) {
+        if (currentVersion == null) getCurrentVersion();
+        return currentVersion.versionInteger == version.versionInteger;
     }
     
     /**
@@ -115,8 +118,9 @@ public enum Version {
      * @param version The version you are checking.
      * @return True if older then the checked version and false if the same or newer.
      */
-    public Boolean isOlder(Version version) {
-        return this.versionInteger < version.versionInteger || this.versionInteger == -1;
+    public static boolean isOlder(Version version) {
+        if (currentVersion == null) getCurrentVersion();
+        return currentVersion.versionInteger < version.versionInteger || currentVersion.versionInteger == -1;
     }
     
 }
\ No newline at end of file
diff --git a/src/main/resources/Messages.yml b/src/main/resources/Messages.yml
index 35bd150..7f58e74 100644
--- a/src/main/resources/Messages.yml
+++ b/src/main/resources/Messages.yml
@@ -34,6 +34,7 @@ Messages:
   CrazyAuctions-Help: '&c/ah help'
   CrazyAuctions-View: '&c/ah view <player>'
   CrazyAuctions-Sell-Bid: '&c/ah sell/bid <price> [amount of items]'
+  Book-Not-Allowed: '&cThat book is not able to be sold in this auction house!'
   Help-Menu:
     - '&e-- &6Crazy Auctions Help &e--'
     - '&9/Ah - &eOpens the crazy auction.'
diff --git a/src/main/resources/config1.12.2-Down.yml b/src/main/resources/config1.12.2-Down.yml
index abd2793..cf8cb37 100644
--- a/src/main/resources/config1.12.2-Down.yml
+++ b/src/main/resources/config1.12.2-Down.yml
@@ -301,5 +301,4 @@ Settings:
           - '&7Click here to Bid Now.'
   BlackList:
     - '7'
-    - '120'
-    - 'WRITTEN_BOOK'
\ No newline at end of file
+    - '120'
\ No newline at end of file
diff --git a/src/main/resources/config1.13-Up.yml b/src/main/resources/config1.13-Up.yml
index 18bbfc3..d68ffde 100644
--- a/src/main/resources/config1.13-Up.yml
+++ b/src/main/resources/config1.13-Up.yml
@@ -300,5 +300,4 @@ Settings:
           - '&7Click here to Bid Now.'
   BlackList:
     - 'BEDROCK'
-    - 'END_PORTAL_FRAME'
-    - 'WRITTEN_BOOK'
+    - 'END_PORTAL_FRAME'
\ No newline at end of file