Classical Xingyi Quan Vol. IV - Xingyi Za Shi Chui and Ba Shi QuanThis book was written in 1929 by Jiang Rongqiao. It contains essays on the nature, history, and principles of Xingyi Quan. It also contains pictorial descriptions of two long rouitines of Xingyi, Za Shi Chui (Mixed Forms Fist) and Ba Shi Quan (Eight Forms Fist). The illustrations are reproductions of very old photographs, and are not top quality.