How to use the audiobook player in OverDrive for iOS (iPhone/iPad/iPod touch)

once you’ve borrowed and downloaded an audiobook in the overdrive app, go to your app’s shelf and tap on the audiobook to start listening.

how to use the audiobook player:

Audiobook player options (based on the numbered image above) include:

start menu (includes a link to your bookshelf, your library list, and application settings)
add a bookmark
title menu (includes an overview, index, and saved bookmarks)
sleep timer
playback speed