Adding bookmarks, notes, and highlights in an audiobook
To add a bookmark: Tap at the top of the audiobook player.
To add a highlight: Play the audiobook, then tap and hold to highlight a passage.
To add a note to a bookmark or highlight: Tap , select a bookmark or highlight, and tap . Then, tap Make a note and add your note.
Bookmarks, notes, and highlights are saved in the audiobook under (and reappear there if you borrow the book again).