diff --git a/src/pyj/read_book/iframe.pyj b/src/pyj/read_book/iframe.pyj
index cab7b04923..cf0f35e90d 100644
--- a/src/pyj/read_book/iframe.pyj
+++ b/src/pyj/read_book/iframe.pyj
@@ -180,6 +180,7 @@ class IframeBoss:
         window.addEventListener('keydown', self.onkeydown, {'passive': False})
         window.addEventListener('mousemove', self.onmousemove, {'passive': True})
         window.addEventListener('mouseup', self.onmouseup, {'passive': True})
+        window.addEventListener('dblclick', self.ondoubleclick, {'passive': True})
         document.documentElement.addEventListener('contextmenu', self.oncontextmenu, {'passive': False})
         document.addEventListener('selectionchange', self.onselectionchange)
         self.color_scheme = data.color_scheme
@@ -592,6 +593,9 @@ class IframeBoss:
         # ensure selection bar is updated
         self.onselectionchange()
 
+    def ondoubleclick(self, evt):
+        self.send_message('annotations', type='double-click')
+
     def onkeydown(self, evt):
         if current_layout_mode() is not 'flow' and evt.key is 'Tab':
             # Prevent the TAB key from shifting focus as it causes partial scrolling
@@ -724,6 +728,12 @@ class IframeBoss:
             set_selection_style(data.style)
         elif data.type is 'trigger-shortcut':
             self.on_handle_navigation_shortcut(data)
+        elif data.type is 'extend-to-paragraph':
+            sel = window.getSelection()
+            sel.modify('extend', 'forward', 'paragraphboundary')
+            end_node, end_offset = sel.focusNode, sel.focusOffset
+            sel.modify('extend', 'backward', 'paragraphboundary')
+            sel.setBaseAndExtent(sel.focusNode, sel.focusOffset, end_node, end_offset)
         elif data.type is 'edit-highlight':
             crw_ = {v: k for k, v in Object.entries(annot_id_uuid_map)}[data.uuid]
             if crw_ and select_crw(crw_):
diff --git a/src/pyj/read_book/selection_bar.pyj b/src/pyj/read_book/selection_bar.pyj
index ae918ff05f..aece659dc9 100644
--- a/src/pyj/read_book/selection_bar.pyj
+++ b/src/pyj/read_book/selection_bar.pyj
@@ -405,6 +405,10 @@ class SelectionBar:
         if self.state is EDITING:
             self.hide_editor(True)
         if self.state is WAITING:
+            now = window.performance.now()
+            if self.last_double_click_at and now - self.last_double_click_at < 500:
+                self.send_message('extend-to-paragraph')
+                return
             for x in (self.bar, self.left_handle, self.right_handle):
                 if near_element(x, ev.clientX, ev.clientY):
                     return
@@ -783,6 +787,8 @@ class SelectionBar:
         elif msg.type is 'edit-highlight':
             if self.state is WAITING:
                 self.create_highlight()
+        elif msg.type is 'double-click':
+            self.last_double_click_at = window.performance.now()
         else:
             print('Ignoring annotations message with unknown type:', msg.type)