diff --git a/compound/book/browser.py b/compound/book/browser.py
index fff8064..cb4b44e 100644
--- a/compound/book/browser.py
+++ b/compound/book/browser.py
@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2013 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2017 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -34,6 +34,7 @@ from loops.browser.concept import ConceptRelationView as \
     BaseConceptRelationView
 from loops.browser.resource import ResourceView as BaseResourceView
 from loops.common import adapted, baseObject
+from loops.util import _
 
 
 standard_template = standard.standard_template
@@ -54,42 +55,6 @@ class Base(object):
     def sectionType(self):
         return self.conceptManager['section']
 
-    @Lazy
-    def isPartOfPredicate(self):
-        return self.conceptManager['ispartof']
-
-    @Lazy
-    def showNavigation(self):
-        return self.typeOptions.show_navigation
-
-    @Lazy
-    def breadcrumbsParent(self):
-        for p in self.context.getParents([self.isPartOfPredicate]):
-            return self.nodeView.getViewForTarget(p)
-
-    @Lazy
-    def neighbours(self):
-        pred = succ = None
-        parent = self.breadcrumbsParent
-        if parent is not None:
-            myself = None
-            children = list(parent.context.getChildren([self.isPartOfPredicate]))
-            for idx, c in enumerate(children):
-                if c == self.context:
-                    if idx > 0:
-                        pred = self.nodeView.getViewForTarget(children[idx-1])
-                    if idx < len(children) - 1:
-                        succ = self.nodeView.getViewForTarget(children[idx+1])
-        return pred, succ
-
-    @Lazy
-    def predecessor(self):
-        return self.neighbours[0]
-
-    @Lazy
-    def successor(self):
-        return self.neighbours[1]
-
     @Lazy
     def tabview(self):
         if self.editable:
@@ -181,10 +146,46 @@ class SectionView(Base, ConceptView):
     def macro(self):
         return book_template.macros['section']
 
+    @Lazy
+    def isPartOfPredicate(self):
+        return self.conceptManager['ispartof']
+
+    @Lazy
+    def breadcrumbsParent(self):
+        for p in self.context.getParents([self.isPartOfPredicate]):
+            return self.nodeView.getViewForTarget(p)
+
+    @Lazy
+    def showNavigation(self):
+        return self.typeOptions.show_navigation
+
+    @Lazy
+    def neighbours(self):
+        pred = succ = None
+        parent = self.breadcrumbsParent
+        if parent is not None:
+            myself = None
+            children = list(parent.context.getChildren([self.isPartOfPredicate]))
+            for idx, c in enumerate(children):
+                if c == self.context:
+                    if idx > 0:
+                        pred = self.nodeView.getViewForTarget(children[idx-1])
+                    if idx < len(children) - 1:
+                        succ = self.nodeView.getViewForTarget(children[idx+1])
+        return pred, succ
+
+    @Lazy
+    def predecessor(self):
+        return self.neighbours[0]
+
+    @Lazy
+    def successor(self):
+        return self.neighbours[1]
+
 
 class TopicView(Base, ConceptView):
 
-    breadcrumbsParent = ConceptView.breadcrumbsParent
+    tabTitle = _(u'title_bookTopicView')
 
     @Lazy
     def macro(self):
diff --git a/locales/de/LC_MESSAGES/loops.mo b/locales/de/LC_MESSAGES/loops.mo
index 1e54dfb..7c9d512 100644
Binary files a/locales/de/LC_MESSAGES/loops.mo and b/locales/de/LC_MESSAGES/loops.mo differ
diff --git a/locales/de/LC_MESSAGES/loops.po b/locales/de/LC_MESSAGES/loops.po
index c475e64..fed1354 100644
--- a/locales/de/LC_MESSAGES/loops.po
+++ b/locales/de/LC_MESSAGES/loops.po
@@ -3,7 +3,7 @@ msgstr ""
 
 "Project-Id-Version: 0.13.1\n"
 "POT-Creation-Date: 2007-05-22 12:00 CET\n"
-"PO-Revision-Date: 2015-10-25 12:00 CET\n"
+"PO-Revision-Date: 2017-12-08 12:00 CET\n"
 "Last-Translator: Helmut Merz <helmutm@cy55.de>\n"
 "Language-Team: loops developers <helmutm@cy55.de>\n"
 "MIME-Version: 1.0\n"
@@ -1002,6 +1002,9 @@ msgstr "Objekte löschen"
 msgid "confirm('Do you really want to delete the selected objects?')"
 msgstr "confirm('Wollen Sie die ausgewählten Objekte wirklich löschen?')"
 
+msgid "title_bookTopicView"
+msgstr "Übersicht"
+
 # management interface
 
 msgid "label_type"