Can iBooks Be Read As Audiobooks?
Some iBooks (mostly children's books) come with a read-aloud feature that uses a narrator and highlights words as you read along.
Another option is to turn VoiceOver on for you iPhone or iPad. Go to Settings > General > Accessibility and switch on VoiceOver. This option will speak every item as you navigate through your device so your experience will be dramatically altered. It also requires a two-finger tap where you previously used one. It can be easily turned on and off if you just want to use the feature for iBooks.