By Yu Gongbao. 4.75"x 7", 88 pages, paprback. The exercise is also called Wushu Qigong or internal Wushu exercise. It's a unique system for improving the internal conditions of the human body. This book gives a systematic and concise introduction to Chinese Wushu, describing its basic principles and major schools a well as providing detailed instructions on how to practice it. In addition, the author has selected several basic exercises and classic routines.