Originally published before Kuo Lien-Ying left China and then again in 1966 soon after his arrival in the United States, Tai-Chi Chuan in Theory and Practice has now been edited and expanded by his widow and disciple, Simmone Kuo. Her version includes new material on the philosophical origins of Tai-Chi Chuan, particularly how it relates to the I Ching, the most ancient text of Chinese wisdom. The book also provides explanations of the meaning of this ancient and elegant martial art–its name and history–the keys to understanding the Thirteen Movements, archival photographs of Lien-Ying performing the movements, and other supplementary literature.