Tom Riedlinger is an author, research, and mental health counselor and therapist. He has written and lectured extensively on entheogenic plants and the psychology of religion with an emphasis on mystical experience. A Fellow of the Linnean Society of London and former Associate in Ethnomycology at Harvard Botanical Museum, Tom holds a degree in psychology from Northwestern University and in world religions from Harvard University. His published works include The Sacred Mushroom Seeker: Essays for R. Gordon Wasson and chapters in Hallucinogens: A Reader (edited by Charles S. Grob), Entheogens and the Future of Religion and Timothy Leary: Outside Looking In (both edited by Robert Forte), Psychoactive Sacramentals: Essays on Entheogens and Religion (edited by Thomas B. Roberts) Teonanacatl: Sacred Mushroom of Visions (edited by Ralph Metzner), and a forthcoming Festschrift for Stanislav Grof compiled and edited by Rick Tarnas. Tom also has published articles in The Entheogen Review, Gnosis, The Journal of Humanistic Psychology, The Journal of Psychoactive Drugs, The Journal of Transpersonal Psychology, the MAPS Bulletin (with Timothy Leary), Medical Hypotheses, Psychedelic Monographs & Essays, Shaman’s Drum, and other periodicals. He recently finished writing Sacred Mushroom Stems & Pieces: A Companion to the Sacred Mushroom Seeker (not yet published) and has two other books in progress: Edible Light and Finding God in a Godless Universe. Tom and his wife Beverly Jean, with whom he shares an interest in the psychology of religion and a branch of religious studies called theodicy, live with their cat Sam-I-Am in Olympia, Washington.