diff --git a/src/main/java/net/knarcraft/bookswithoutborders/gui/BookIndex.java b/src/main/java/net/knarcraft/bookswithoutborders/gui/BookIndex.java
index f87f6a2..1e5cce6 100644
--- a/src/main/java/net/knarcraft/bookswithoutborders/gui/BookIndex.java
+++ b/src/main/java/net/knarcraft/bookswithoutborders/gui/BookIndex.java
@@ -15,6 +15,8 @@ import java.util.Map;
 public abstract class BookIndex {
 
     protected final static int booksPerPage = 10;
+    protected final static @NotNull ChatColor interactColor = ChatColor.of("#FFD700");
+    protected final static @NotNull ChatColor inactiveColor = ChatColor.of("#999999");
 
     /**
      * Displays the correct GUI, if specified in the given arguments
@@ -57,7 +59,7 @@ public abstract class BookIndex {
      * @param page             <p>The current page</p>
      */
     protected static void displayPageCommand(@NotNull ComponentBuilder componentBuilder, @NotNull String command, int page) {
-        componentBuilder.append("[Page Command]", ComponentBuilder.FormatRetention.NONE).event(new HoverEvent(
+        componentBuilder.append("[Page Command]", ComponentBuilder.FormatRetention.NONE).color(interactColor).event(new HoverEvent(
                 HoverEvent.Action.SHOW_TEXT, new Text("/" + command + " page" + page))).event(
                 new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, "/" + command + " page" + page));
     }
@@ -71,7 +73,7 @@ public abstract class BookIndex {
      */
     protected static void displayTotalPages(@NotNull ComponentBuilder componentBuilder, int page, int totalPages) {
         componentBuilder.append("Page " + page + " of " + totalPages,
-                ComponentBuilder.FormatRetention.NONE).color(ChatColor.GREEN);
+                ComponentBuilder.FormatRetention.NONE).color(inactiveColor);
     }
 
     /**
@@ -83,20 +85,20 @@ public abstract class BookIndex {
      */
     protected static void displayAlphabetIndex(@NotNull ComponentBuilder componentBuilder,
                                                @NotNull String command, @NotNull Map<Character, Integer> firstInstances) {
-        componentBuilder.append("[index] <", ComponentBuilder.FormatRetention.NONE);
+        componentBuilder.append("[index] <", ComponentBuilder.FormatRetention.NONE).color(inactiveColor);
         for (int characterIndex = 0; characterIndex <= 25; characterIndex++) {
             char character = (char) ('a' + characterIndex);
             if (firstInstances.containsKey(character)) {
                 int pageIndex = (firstInstances.get(character) / booksPerPage) + 1;
-                componentBuilder.append(character + "").color(
-                        ChatColor.AQUA).event(new ClickEvent(ClickEvent.Action.RUN_COMMAND,
-                        "/" + command + " page" + pageIndex)).event(new HoverEvent(
-                        HoverEvent.Action.SHOW_TEXT, new Text("To page " + pageIndex)));
+                componentBuilder.append(character + "").color(interactColor).event(
+                        new ClickEvent(ClickEvent.Action.RUN_COMMAND,
+                                "/" + command + " page" + pageIndex)).event(new HoverEvent(
+                        HoverEvent.Action.SHOW_TEXT, new Text("Books starting with " + character)));
             } else {
-                componentBuilder.append(character + "", ComponentBuilder.FormatRetention.NONE).color(ChatColor.GRAY);
+                componentBuilder.append(character + "", ComponentBuilder.FormatRetention.NONE).color(inactiveColor);
             }
         }
-        componentBuilder.append(">", ComponentBuilder.FormatRetention.NONE);
+        componentBuilder.append(">", ComponentBuilder.FormatRetention.NONE).color(inactiveColor);
     }
 
     /**
@@ -112,9 +114,10 @@ public abstract class BookIndex {
             String fullCommand = "/" + command + " page" + (page - 1);
             HoverEvent prevPagePreview = new HoverEvent(HoverEvent.Action.SHOW_TEXT, new Text("To page " + (page - 1)));
             ClickEvent prevPageClick = new ClickEvent(ClickEvent.Action.RUN_COMMAND, fullCommand);
-            componentBuilder.append("Previous [<]", ComponentBuilder.FormatRetention.NONE).event(prevPagePreview).event(prevPageClick);
+            componentBuilder.append("Previous [<]", ComponentBuilder.FormatRetention.NONE).color(interactColor)
+                    .event(prevPagePreview).event(prevPageClick);
         } else {
-            componentBuilder.append("Previous [<]", ComponentBuilder.FormatRetention.NONE).color(ChatColor.GRAY);
+            componentBuilder.append("Previous [<]", ComponentBuilder.FormatRetention.NONE).color(inactiveColor);
         }
     }
 
@@ -132,9 +135,10 @@ public abstract class BookIndex {
             String fullCommand = "/" + command + " page" + (page + 1);
             HoverEvent nextPagePreview = new HoverEvent(HoverEvent.Action.SHOW_TEXT, new Text("To page " + (page + 1)));
             ClickEvent nextPageClick = new ClickEvent(ClickEvent.Action.RUN_COMMAND, fullCommand);
-            componentBuilder.append("Next [>]", ComponentBuilder.FormatRetention.NONE).event(nextPagePreview).event(nextPageClick);
+            componentBuilder.append("Next [>]", ComponentBuilder.FormatRetention.NONE).color(interactColor)
+                    .event(nextPagePreview).event(nextPageClick);
         } else {
-            componentBuilder.append("Next [>]", ComponentBuilder.FormatRetention.NONE).color(ChatColor.GRAY);
+            componentBuilder.append("Next [>]", ComponentBuilder.FormatRetention.NONE).color(inactiveColor);
         }
     }
 
@@ -146,9 +150,14 @@ public abstract class BookIndex {
      */
     @NotNull
     protected static String getNiceName(@NotNull String bookPath) {
+        String separator = BooksWithoutBordersConfig.getTitleAuthorSeparator();
         bookPath = ChatColor.translateAlternateColorCodes('&', bookPath.substring(0, bookPath.length() - 4));
-        String[] parts = bookPath.split(BooksWithoutBordersConfig.getTitleAuthorSeparator());
-        return parts[0].replace("_", " ") + ChatColor.RESET + " by " + parts[1] + ChatColor.RESET;
+        if (bookPath.contains(separator)) {
+            String[] parts = bookPath.split(separator);
+            return parts[0].replace("_", " ") + ChatColor.RESET + " by " + parts[1] + ChatColor.RESET;
+        } else {
+            return bookPath + ChatColor.RESET + " by Unknown" + ChatColor.RESET;
+        }
     }
 
 }
diff --git a/src/main/java/net/knarcraft/bookswithoutborders/gui/PagedBookIndex.java b/src/main/java/net/knarcraft/bookswithoutborders/gui/PagedBookIndex.java
index bcc4ba3..2590098 100644
--- a/src/main/java/net/knarcraft/bookswithoutborders/gui/PagedBookIndex.java
+++ b/src/main/java/net/knarcraft/bookswithoutborders/gui/PagedBookIndex.java
@@ -93,7 +93,7 @@ public class PagedBookIndex extends BookIndex {
                                           @NotNull List<String> availableBooks) {
         int startIndex = (page - 1) * booksPerPage;
         for (int bookIndex = startIndex; bookIndex < Math.min(startIndex + booksPerPage, availableBooks.size()); bookIndex++) {
-            componentBuilder.append("[" + (bookIndex + 1) + "]").color(ChatColor.GOLD).event(
+            componentBuilder.append("[" + (bookIndex + 1) + "]").color(interactColor).event(
                     new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, "/" + command + " " +
                             (bookIndex + 1))).event(new HoverEvent(HoverEvent.Action.SHOW_TEXT,
                     new Text("Select book by index")));