A modern commentary on a classic Tibetan text of instructions for practitioners of the Dzogchen tradition of Tibetan Buddhism, with practical step-by-step instructions for advanced Nyingma teachings on realizing the nature of mind. B. Alan Wallace translates and comments on the text Extracting the Vital Essence of Accomplishment: Concise and Clear Advice for Practice in a Mountain Retreat by twentieth-century Nyingma master, D...