This book has been unavailable for a LONG time. Written by Dr. Daniel Weng, a student of the top Chinese wrestler Ch’ang Tong Sheng, shows the version of the Yang Tai Chi set developed just for Shuai Jiao (Chinese wrestling). The postures are very similar but the result is often a throw or a sweep. The price has gone up because the format of the book has been changed almost doubling the size and adding spiral binding. Applications also thrown.