| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1997 | 978-1-889725-01-7 | Robert Forte · Terence McKenna · Ann and Alexander Shulgin · Robert Jesse · Dale Pendell · Thomas Riedlinger · Thomas Roberts · Rick Strassman | Entheogens and the Future of Religion |
| 2001 | 978-1-889725-02-4 | David Steindl-Rast · Roger N. Walsh · Stanislav Grof · Charles T. Tart · Albert Hofmann · Frances Vaughan · Alexander T. Shulgin · Mike Young | Psychoactive Sacramentals: Essays on Entheogens and Religion (The Csp Entheogen Project Series, 3) |
| 2000 | 978-1-889725-03-1 | Huston Smith | Cleansing the Doors of Perception: The Religious Significance of Entheogenic Plants and Chemicals |
| '' | 978-1-889725-04-8 | Albert Hofmann · R. Gordon Wasson · David Steindl-Rast · Jack Kornfield · Terence McKenna · Ann Shulgin · Alexander Shulgin · Robert Jesse | Entheogens and the Future of Religion (Entheogen Project Series, Number 2) |