My eight-year-old son and ten-year-old daughter have checked this book out from the library numerous times. The folds are challenging, requiring repeated attempts and a copious supply of paper (for practice), but the completed models are outstandingly realistic and satisfying. The authors have provided a lengthy discussion of special papers and wet-folding techniques, but every model can be worked in plain-old origami paper. I'd say that if you've memorized the crane, and if you've worked your way through a couple of intermediate-level origami books (e.g., Kasahara, CREATIVE ORIGAMI), then you've got enough origami experience to tackle the folds in this book. All you need is time, patience, fortitude, and a good supply of origami paper for goof-ups.
I have always wanted this book and im so happy i got it. The post was nice and quick and its in great shape. It's a brill' book and i just love it. It has both easy and complex models and are all great fun.
Lang and Montroll create amazing models here. Unlike 4-leg animals, sea life creatures are hard to fold due to their special symmetries and forms. Both authors develop new skills to solve this problem, and the result is some unbelievable models: a blue crab, a lobster(with 8 legs,two claws, even 2 eyes), a murex, a lionfish. This book is really a classic.