Tai Ji Quan or Tai Chi Chuan is practiced by many people for health and fitness. However, imbedded with the moves, there are also self defense principles and applications. Most people may be practicing the moves and acquiring some skills that they never know anything about. The fundamental principles and applications of Tai Ji Quan are explained in an easy and fun to read format in this book. Whether you are interested in knowing how and why you have to do the move in a certain way, or you are interested in knowing how to practice and apply the defense skills you may already have, this book is a good guide to start. The 13 postures (Shi) are Peng. Lu, Ji, An, Cai, Lie, Zhou, Kao (8 Jin methods); Jin, Tui, Gu, Pan, and Zhong Ding (5 steps, Wu Bu) are explained with techniques. How to use 13 Shi to study Tai Ji Quan are illustrated with techniques. How to contact, stick (Zhan Nian) and neutralize the opponent