[Wisdom Publications] From two great masters comes a detailed description of meditative practices for developing a mind that is alert, powerful, and capable of gaining great insight. Discussing step-by-step the practice of meditation itself, they provide us with practical antidotes to the various obstacles that may arise in meditation. At the same time, they intersperse their presentations with captivating descriptions of the sometimes fantastic and astonishing cosmology that provides the background and context for Buddhist practice.