Index: token_node.inc
===================================================================
--- token_node.inc	(revision 19899)
+++ token_node.inc	(working copy)
@@ -302,17 +302,17 @@
   }
 }
 
-function book_token_list($type) {
+function book_token_list($type = 'all') {
+  $list = array();
   if ($type == 'node' || $type == 'all') {
-    $list['book']['book']           = t("The title of the node's book parent.");
-    $list['book']['book_id']        = t("The id of the node's book parent.");
-    $list['book']['bookpath']       = t("The titles of all parents in the node's book hierarchy.");
+    $list['node']['book']           = t("The title of the node's book parent.");
+    $list['node']['book_id']        = t("The id of the node's book parent.");
+    $list['node']['bookpath']       = t("The titles of all parents in the node's book hierarchy.");
 
-    $list['book']['book-raw']       = t("The unfiltered title of the node's book parent.");
-    $list['book']['bookpath-raw']   = t("The unfiltered titles of all parents in the node's book hierarchy.");
-
-    return $list;
+    $list['node']['book-raw']       = t("The unfiltered title of the node's book parent.");
+    $list['node']['bookpath-raw']   = t("The unfiltered titles of all parents in the node's book hierarchy.");
   }
+  return $list;
 }
 
 /**