The book "Symmetry in Chaos" is remarkable in several respects. First, it allows you to discover extraordinary images, derived from chaos, but still symmetrical. Then, for those who wish to learn the fractal concepts of dynamic systems and iterations, it is an ideal industry and does not require too much math knowledge. In fact, everything is explained starting from the basics to get clear the toughest developments (the most advanced elements are still developed in the Annex for those interested). The text is easy to read, but not always the best style. This does not prevent the book is highly recommended. And for those looking for the production of images, found on the Internet a free program "Symxaos" that can rebuild all the images and a Book "infinity" other.