• Available free on the Mac App Store, iBooks Author is an amazing app that allows anyone to create beautiful iBooks Textbooks
• and just about any other kind of book for iPad and Mac.
• The app has been beautifully redesigned for OS X Yosemite.
• With galleries, video, interactive diagrams, 3D objects, mathematical expressions, and more, these books bring content to life in ways the printed page never could.

https://www.apple.com/ibooks-author/

• You might want to begin with a blank page and let your imagination guide you.
• But if that’s a little intimidating, just start with a beautiful Apple-designed template.
• Choose from a variety of styles, like classic textbook, cookbook, or photo book, in both landscape and portrait orientations.
• And you can choose from a number of page layouts in each template or create one of your own.