for iOS 9.1 software

Listen to an audiobook
Open an audiobook. Audiobooks are identified by a on the cover.
Tap the book you want to listen to. If you don’t see it in the library,
swipe left or right to view other collections.
Skip farther forward or back. Touch and hold the arrows, or slide and
hold the cover. To change the number of seconds that skipping moves,
go to Settings > iBooks.
Speed it up, or slow it down. Tap Speed, then choose a playback rate.
1x is normal speed, 0.75x is three-quarters speed, and so on.
Go to a chapter. Tap , then tap a chapter. Some books don’t define
chapter markers.