Navigation
Arrange sidebar groups, pages and dropdowns.
The sidebar is a list of groups. Each group holds pages, and can hold dropdowns that fold a set of related pages under one name.
Add a group
Choose Add group and give it a name. Groups appear in the sidebar in the order shown.
Add pages
Pages that aren't in the sidebar are listed on the right. Choose a group for each one.
Make a dropdown
Choose Add dropdown in a group and name it, then send pages to it from their menu. A dropdown opens by itself when the reader is on one of its pages.
Save
Choose Save navigation. The sidebar updates for readers straight away.