[Inner Traditions] A study of the importance of psychedelic plants and drugs in religion and society • With contributions by Albert Hofmann, R. Gordon Wasson, Jack Kornfield, Terence McKenna, the Shulgins, Rick Strassman, and others • Explores the importance of academic and religious freedom in the study of psychedelics and the mind • Exposes the need for an organized spiritual context for entheogen use in order to fully realize their transformative and sacred value We live in a time when a great many voices are calling for a spiritual renewal to address the problems that face humanity, yet the way of entheogens--one of the oldest and most widespread means of attaining a religious experience--is forbidden, surrounded by controversy and misunderstanding. Widely employed in traditional shamanic societies, entheogens figure prominently in the origins of religion and their use continues today throughout the world. They alter consciousness in such a profound way that,