diff --git a/src/calibre/gui2/viewer/ui.py b/src/calibre/gui2/viewer/ui.py
index 25836561a9..e80e859bff 100644
--- a/src/calibre/gui2/viewer/ui.py
+++ b/src/calibre/gui2/viewer/ui.py
@@ -22,6 +22,7 @@ from calibre.gui2.main_window import MainWindow
 from calibre.gui2.viewer.annotations import (
     merge_annotations, parse_annotations, save_annots_to_epub, serialize_annotations
 )
+from calibre.gui2.viewer.bookmarks import BookmarkManager
 from calibre.gui2.viewer.convert_book import prepare_book, update_book
 from calibre.gui2.viewer.toc import TOC, TOCSearch, TOCView
 from calibre.gui2.viewer.web_view import WebView, set_book_path, vprefs
@@ -70,11 +71,16 @@ class EbookViewer(MainWindow):
         w.l.addWidget(self.toc), w.l.addWidget(self.toc_search), w.l.setContentsMargins(0, 0, 0, 0)
         self.toc_dock.setWidget(w)
 
+        self.bookmarks_dock = create_dock(_('Bookmarks'), 'bookmarks-dock', Qt.RightDockWidgetArea)
+        self.bookmarks_widget = w = BookmarkManager(self)
+        self.bookmarks_dock.setWidget(w)
+
         self.inspector_dock = create_dock(_('Inspector'), 'inspector', Qt.RightDockWidgetArea)
         self.web_view = WebView(self)
         self.web_view.cfi_changed.connect(self.cfi_changed)
         self.web_view.reload_book.connect(self.reload_book)
         self.web_view.toggle_toc.connect(self.toggle_toc)
+        self.web_view.toggle_bookmarks.connect(self.toggle_bookmarks)
         self.web_view.update_current_toc_nodes.connect(self.toc.update_current_toc_nodes)
         self.web_view.toggle_full_screen.connect(self.toggle_full_screen)
         self.setCentralWidget(self.web_view)
@@ -118,13 +124,19 @@ class EbookViewer(MainWindow):
         self.set_full_screen(not self.isFullScreen())
     # }}}
 
-    # ToC {{{
+    # ToC/Bookmarks {{{
     def toggle_toc(self):
         if self.toc_dock.isVisible():
             self.toc_dock.setVisible(False)
         else:
             self.toc_dock.setVisible(True)
 
+    def toggle_bookmarks(self):
+        if self.bookmarks_dock.isVisible():
+            self.bookmarks_dock.setVisible(False)
+        else:
+            self.bookmarks_dock.setVisible(True)
+
     def toc_clicked(self, index):
         item = self.toc_model.itemFromIndex(index)
         self.web_view.goto_toc_node(item.node_id)
diff --git a/src/calibre/gui2/viewer/web_view.py b/src/calibre/gui2/viewer/web_view.py
index c98065a558..1860f962e4 100644
--- a/src/calibre/gui2/viewer/web_view.py
+++ b/src/calibre/gui2/viewer/web_view.py
@@ -174,6 +174,7 @@ class ViewerBridge(Bridge):
     set_session_data = from_js(object, object)
     reload_book = from_js()
     toggle_toc = from_js()
+    toggle_bookmarks = from_js()
     update_current_toc_nodes = from_js(object, object)
     toggle_full_screen = from_js()
 
@@ -257,6 +258,7 @@ class WebView(RestartingWebEngineView):
     cfi_changed = pyqtSignal(object)
     reload_book = pyqtSignal()
     toggle_toc = pyqtSignal()
+    toggle_bookmarks = pyqtSignal()
     update_current_toc_nodes = pyqtSignal(object, object)
     toggle_full_screen = pyqtSignal()
 
@@ -273,6 +275,7 @@ class WebView(RestartingWebEngineView):
         self.bridge.set_session_data.connect(self.set_session_data)
         self.bridge.reload_book.connect(self.reload_book)
         self.bridge.toggle_toc.connect(self.toggle_toc)
+        self.bridge.toggle_bookmarks.connect(self.toggle_bookmarks)
         self.bridge.update_current_toc_nodes.connect(self.update_current_toc_nodes)
         self.bridge.toggle_full_screen.connect(self.toggle_full_screen)
         self.pending_bridge_ready_actions = {}
diff --git a/src/pyj/read_book/overlay.pyj b/src/pyj/read_book/overlay.pyj
index e069b81f0e..b9e4f34efb 100644
--- a/src/pyj/read_book/overlay.pyj
+++ b/src/pyj/read_book/overlay.pyj
@@ -226,6 +226,12 @@ class MainOverlay:
             reload_actions = E.ul(sync_action, delete_action, reload_action)
             nav_actions = E.ul(home_action, back_action, forward_action)
 
+        bookmarks_action = ac(_('Bookmarks'), None, self.overlay.show_bookmarks, 'bookmark')
+        toc_actions = E.ul(ac(_('Table of Contents'), None, self.overlay.show_toc, 'TC', True))
+
+        if runtime.is_standalone_viewer:
+            toc_actions.appendChild(bookmarks_action)
+
         actions_div = E.div( # actions
             nav_actions,
 
@@ -236,10 +242,7 @@ class MainOverlay:
 
             reload_actions,
 
-            E.ul(
-                ac(_('Table of Contents'), None, self.overlay.show_toc, 'TC', True),
-                # ac(_('Bookmarks'), None, None, 'bookmark'),
-            ),
+            toc_actions,
 
             E.ul(
                 ac(_('Font size'), _('Change text size'), self.overlay.show_font_size_chooser, 'Aa', True),
@@ -468,6 +471,12 @@ class Overlay:
         self.panels.push(TOCOverlay(self))
         self.show_current_panel()
 
+    def show_bookmarks(self):
+        self.hide_current_panel()
+        if runtime.is_standalone_viewer:
+            ui_operations.toggle_bookmarks()
+            return
+
     def show_goto(self):
         self.hide_current_panel()
         self.panels.push(TOCOverlay(self, create_goto_panel, _('Go to…')))
diff --git a/src/pyj/viewer-main.pyj b/src/pyj/viewer-main.pyj
index d370c0e3c9..2a95fde3c7 100644
--- a/src/pyj/viewer-main.pyj
+++ b/src/pyj/viewer-main.pyj
@@ -236,6 +236,8 @@ if window is window.top:
         view.update_font_size()
     ui_operations.toggle_toc = def():
         to_python.toggle_toc()
+    ui_operations.toggle_bookmarks = def():
+        to_python.toggle_bookmarks()
     ui_operations.update_current_toc_nodes = def(current_node_id, top_level_node_id):
         to_python.update_current_toc_nodes(current_node_id, top_level_node_id)
     ui_operations.toggle_full_screen = def():