A thorough academic survey of Zen by a practitioner later to be a master. Puts Zen into its historical contexts evolving from Buddhism and influenced by Yoga, Taoism, Confucianism, technology, modernity, and into the future. Explores Zen schools, humor in Zen, its influences on science and psychology. Complete with chronologies of Chinese, Japanese, Buddhist, and religions and philosophies linked to Vedism. 227 entry glossary is regularly referenced by dozens of online Buddhist resources.