By Dr. Yang, Jwing-Ming. 7" x 10", 246 pg, 977 photos, paperback. A comprehensive training guide for Tai Chi martial artists. Unique among Tai Chi books, this volume reveals the martial essence of Tai Chi that most other books ignore. Clearly explained and illustrated for those who want to expand their knowledge and their skill. Perfect for all martial artists, especially "internal" stylists, or for anyone interested in internal energy development.