Choying Tobden Dorje's magnum opus presented in English for the first time, in an authoritative translation prepared under the auspices of well-known and highly respected Tibetan teachers and translators. "The Complete Nyingma Tradition from Sutra to Tantra," a multivolume masterwork by the eighteenth-century tantric master Choying Tobden Dorje, traces the path of the Nyingma tradition of Tibetan Buddhism from beginning to end. "Books 15 to 17: The Essential Tantras of Mahayoga" concerns the first of the three classes of highest, or inner, tantras. It presents the entire text of the "Guhyagarbha Tantra, " in Tibetan and English, together with one of its most important commentaries, "Dispelling the Darkness of the Ten Directions, " by the outstanding fourteenth-century master Longchen Rabjam. In addition, it presents the author's rewriting of Candragomin's inspirational "Extensive Commentary on the Sublime Litany of the Names of Manju r ," which correlates diverse aspects of Manju r to the five pristine cognitions. This product (Books 15 to 17) will be published as two volumes in a slipcase.".