"iBooks Author is a powerful tool for creating interactive textbooks for your students. Whether you work together as a class to gather content or simply curate resources to share with a class, the possibilities are endless.
If you’re looking to check out high quality content that is designed for the iPad, you’ll want to download E.O. Wilson’s set of interactive biology textbooks. You’ll see just how powerful an interactive textbook can be! These iBooks might supplement your science curriculum or just inspire you to dive into iBooks Author to create your own."
Via John Evans