When using the Contents Menu, it becomes the primary screen on first run (and using the back button).
It would be useful to have more item options available.
Contents Menu > Contents Items and Screens > Add Item…
(in bold below)
[ ] Continue from previous reference
(That will take the user to the last position instead of a specific reference. First time will take them to the default Book Collection/Book Referenc)
Another menu screen [Home \/]
Menu/Drawer item [Search \/]
(Search/History/Bookmarks/Notes/Highlights/Share App/Settings/Text Appearance etc.)