There are several other elements that can be added to your mutitouch books, including embedded quizzes, polls, games, etc.
With a free Bookry account, you can create interactive widgets.
With a free Bookry account, you can create interactive widgets.
Check out these other ideas to add pizzazz to your multitouch books.
Adding accessibility features to your Multitouch book
http://support.apple.com/kb/HT5073
Embedding a Google Form in a Multitouch book
http://mikese.wordpress.com/2012/11/13/google-form-as-ibooks-author-html-widget/
Add a 3D object from the Sketchup warehouse
http://www.dummies.com/how-to/content/how-to-add-3d-images-in-ibooks-author.html
Create html5 widgets with iAd Producer
http://www.amsys.co.uk/2013/blog/how-to-make-amazing-html5-widgets-for-ibooks-author-with-no-coding-knowledge/#.UlWIdhYay3A_
Adding accessibility features to your Multitouch book
http://support.apple.com/kb/HT5073
Embedding a Google Form in a Multitouch book
http://mikese.wordpress.com/2012/11/13/google-form-as-ibooks-author-html-widget/
Add a 3D object from the Sketchup warehouse
http://www.dummies.com/how-to/content/how-to-add-3d-images-in-ibooks-author.html
Create html5 widgets with iAd Producer
http://www.amsys.co.uk/2013/blog/how-to-make-amazing-html5-widgets-for-ibooks-author-with-no-coding-knowledge/#.UlWIdhYay3A_