Ebook: Origami in Action : Paper Toys That Fly, Flap, Gobble, and Inflate

What a great book! The author explains how to accpomplish the different types of folds used in the ' Introduction.'
So when you go to make one of the models, you'll understand the directions better, than if you just tried it on your own.
Also, all the origami models in this book perform an action.
It has all skill levels of difficulty.
An awesome book to get to learn from and practice with. Besides, you get to make some neat models.
FYI - Just remember to read the Intro.