Description
In this book Makoto Yamaguchi presents 34 models by various well-known author. Most of the models come from the animal world. The levels of difficulty are given by means of 5 stars: four models have one star, 5 have 2 stars, 13 have 3 stars, 8 have 4 stars and 4 models have 5 stars.
Difficulty level: easy to complex.