By Hun Young Cho and Kihyon Kim. 7" x 10", 318 pages, paperback. Originally wrote in 1934, the authors explain Oriental medicine in the language of anatomy and physiology, in particular, the regulation of the body's hormones. The book covers all the basic concepts, qi, yin and yang, five phases, channels and organs. It concentrates on herbal medicine, with chapters on prescription and an index of the materia medica and formulas.