How does this apply to the publishing of non-textbooks? Can you create interactive storybooks? It seems that this is clearly textbook focused, but are there restrictions on using this for other types of books?
And this is from the iBooks Author homepage: "Available free on the Mac App store, iBooks Author is an amazing new app that allows anyone to create beautiful Multi-Touch textbooks — and just about any other kind of book — for iPad. With galleries, video, interactive diagrams, 3D objects, and more, these books bring content to life in ways the printed page never could."