PIHKAL: A Chemical Love Story
TIHKAL: The Continuation
Secret Drugs of Buddhism: Psychedelic Sacraments and the Origins of the Vajrayana
Secret Drugs of Buddhism
Entheogens and the Future of Religion (Entheogen Project Series, Number 2)
PiHKAL: Eine molekulare Liebesgeschichte (German Edition)
TiHKAL: Die Fortsetzung (German Edition)
The Commemorative Edition of Pihkal and Tihkal