iBooks stores your collections, bookmarks, notes, and current page information using your Apple
ID, so you can read books seamlessly across all your iOS devices. iBooks saves information for
all of your books when you open or quit the app. Information for individual books is also saved
when you open or close the book.
Turn syncing on or of: Go to Settings > iBooks. You can sync collections and bookmarks, too.
Some books might access video or audio that’s stored on the web. If iPhone has a cellular data
connection, playing these iles may incur carrier charges.
Turn online video and audio access on or of: to Settings > iBooks > Online Audio & Video.
Change the direction the page turns when you tap the left margin: Go to Settings > iBooks >
Tap Left Margin.