[Inner Traditions] Reveals how psychedelics can facilitate spiritual development and direct encounters with the sacred • With contributions by Albert Hofmann, Huston Smith, Stanislav Grof, Charles Tart, Alexander “Sasha” Shulgin, Brother David Steindl-Rast, and many others • Includes personal accounts of Walter Pahnke’s Good Friday Experiment as well as a 25-year follow-up with its participants • Explores protocols for ceremonial use of psychedelics and the challenges of transforming entheogenic insights into enduring change Modern organized religion is based predominantly on secondary religious experience--we read about others’ extraordinary spiritual encounters with God but have no direct experience ourselves. Yet there exist powerful sacraments to help us directly experience the sacred, to help us seek out the meaning of being human and our place in the universe, and to help us see the sacred in the world that surrounds us. In this book, more than 25 spiritual