By Douglas H. Y. Hsieh. This book has been around for over 50 years and covers the Chinese art of Hsing-I, one of the three internal systems of Chinese Kung Fu. Includes biographies of 11 of the greatest Hsing-I Masters of all times and the 8 fundamental principles. Master Hsieh also covers the 6 coordinates, the 3 points on the Line, and the 5 actions & the 12 styles of Hsing I. 244 pages. 5.5" x 8.5". Paperback.