This book is an annotated translation of one of the great Tibetan classics of Mahayana Buddhist thought, mKhas grub rje's sTong thun chen mo. The text is a detailed critical exposition of the theory and practice of emptiness as expounded in the three major schools of Mahayana Buddhist philosophy: the Yogacara, Svatantrika, and Prasangika. Used as a supplement to the scholastic debating manuals in some of the greatest monasteries of Tibet, the sTong thun chen mo is a veritable encyclopedia of Mahayana Buddhist philosophy, dealing with such topics as hermeneutics, the theory of non-duality, the...