| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Magic Mushroom Explorer: Psilocybin and the Awakening Earth | 978-1-62055-366-4 (1-62055-366-X) | 2015 |
| The Psilocybin Solution: The Role of Sacred Mushrooms in the Quest for Meaning | 978-1-59477-405-8 (1-59477-405-6) | 2011 |
G. P. · G. Powell · S. G. · S. G. Powell · S P · Simon-G