In simple and direct language, the Union of Mahamudra and Dzogchen contains teachings on a complete path to enlightenment, based on eight songs by the 17th century yogi and poet, Karma Chagmey. The Bardo Guidebook is straightforward, direct instructions on how to deal with the four bardos. The highest and most profound level of Buddhist practice, the Vajrayana, categorizes existence as an endless cycle of experience called the four bardos. These four periods include our present life, the process of dying, the after-death experience, and the quest for a new rebirth.