This was the first ever book to try to introduce Tai Chi to readers and is by the founder of the Yang style, Yang Cheng Fu. It contains about 100 photos of him in Long Form postures, with his accompanying explanations of the movements and their applications. As such, the book is a classic that no serious practitioner of Yang Style Tai Chi should be without on their shelves. In particular, it is invaluable for the photos of the founder's postures which are still a model of perfect style and deserve to emulated by everyone who practises the long form. The only reason why I have witheld one star from this book is that it is not appropriate for beginners. There are not enough photos to be able to learn the form from this, and the explanations of the movements are not always comprehensible and there are many gaps in the transitional movements. Nevertheless, the book remains an invaluable resource for style for the more advanced practioner already familiar with the Form from elsewhere.