Book excerpt: Pa Kua is a vigorous martial arts discipline that hones reflexes and cultivates the understanding of one’s body. One of the three orthodox “internal” styles of Chinese martial arts, Pa Kua makes use of the eight trigrams found in the I Ching. This text offers a history of Pa Kua, profiles of its great practitioners, and exercises that illustrate the practice. 50 black-and-white photos are included.