Tap the ribbon icon once to leave a bookmark. After you make a bookmark, tap the icon again to add a note. When you're finished, tap "save."
You can also highlight a section of audio to remember for later. While the audiobook is playing, tap and hold the ribbon icon until it turns color. Continue holding until you reach the end of the section you'd like to highlight.
Let go and tap the ribbon icon again. Here you can choose from one of three colors and add a note when you're finished. Tap "save." You can easily delete bookmarks and highlights using the red trash icon to view your bookmarks, notes, and highlights for the title.
Tap this icon in the controls at the top of your screen.