The author's studies of Taoist and Confucian cultures, which influence much of Asia, from Burma to Japan and beyond, began with graduate school and continued through seven years of CIA assignments in the region. Since 1958, Dr. Sadler has traveled extensively in the region both as an intelligence officer and as a private citizen. Dr. Sadler's subsequent writings relate to the apparent randomness of the I Ching's binary yin and yang to modern scientific theory.