The Moebius Flip (1970)
The Mushroom Speaks (2021)
Dosed (2019)
Descending the Mountain (2021)
The Way of the Psychonaut (2020)
DMT: The Spirit Molecule (2010)
My Psychedelic Love Story (2020)
Shamans of the Amazon (2001)
Entheogen: Awakening the Divine Within (2006)
The Shaman & Ayahuasca: Journeys to Sacred Realms (2010)
The Weird World of LSD (1967)
Pacific Vibrations (1970)
Stopping for Death: The Nurses of Wells House Hospice (2013)
Il cerchio perfetto (2013)
Salvia Divinorum: A Western Approach (2022)
Metamorphosis (2009)
Mushroom Growing Made Easy (2003)
Manifesting the Mind: Footprints of the Shaman (2009)
Psyched Out (2018)
Experimentuum (2024)