1. Tap Page Edit on the sidebar.
2. Select a page, tap Insert Page to insert a new page after the selected page. You can insert Blank Page.
3. Tap Rotate to rotate the page. There you can rotate 90 degree clockwise, or 90 degree counterclockwise.
4. Tap Change page order to reorder pages, you can drag to renumber the page.
5. Tap Delete to delete the selected page.
6. Tap Select All to select all pages, re-click to cancel.