The book menu bar permanently sits at the bottom of the screen. It is possible to hide the bar to increase the amount of text displayed on your screen. By default, the Book Menu is shown. Once hidden, the Book Menu remains hidden until shown again.
To show or hide the bar, tap/click the button on the Book Menu.
The Book Menu Maximized
The maximized scrubber bar/Book menu allows you to access your Bookmarks, navigate the pages of the book using the scrubber, displays the book, adjusts the page zoom, access fast highlight, print from your book, access the citation tool, and copy the URL to the page in the book.
The Book Menu Minimized
The minimized Book menu only displays the scrubber.