By Hong-Chao Zhang. 7"x 9", 105 pages, paperback. This book contains step-by-step instructions for each of the 64 movements of the form, along with an explanation of the various effects of each movement. Along with a concise and clearly written history of Qigong, you'll get the background and understanding you'll need for a lifetime of practice. Highly effective for the cardiovascular, central nervous, and digestive systems.