Varieties of Religious Experience · Nitrous Oxide · Radical Empiricism · Mysticism

The Velada · Sacred Mushrooms · Mazatec Healing · Language as Medicine

The Doors of Perception · The Reducing Valve · Mescaline · The Perennial Philosophy

Ethnomycology · The Velada · Soma · Mushrooms & Civilisation

LSD · Psilocybin · Chemistry · The Bicycle Day

Ethnobotany · Amazonian Plants · Indigenous Knowledge · Conservation

Isolation Tanks · Ketamine · The Human Biocomputer · Dolphin Communication

Psychedelic Naming · The M-Hypothesis · Schizophrenia · High-Dose Model

Set and Setting · The Harvard Experiments · Turn On Tune In Drop Out

The Teachings of Don Juan · Tonal/Nagual · Controlled Folly · Perception

PIHKAL · TIHKAL · Structure-Activity · Self-Experimentation

MDA · Harmaline · Character & Neurosis · SAT Programme · Gestalt

Maps of Consciousness · Ecology of Mind · Green Psychology · Intention

Psilocybin · The Stoned Ape · Language · Novelty Theory · The Archaic Revival

The entropic brain · Default mode network · REBUS model · Psychedelic therapy trials · Entropy and the flexibility of belief

Holotropic states · LSD psychotherapy · Perinatal matrices · Non-ordinary states as therapeutic · The cartography of the psyche

Ethnobotany · Natural products chemistry · Entheogens and the coining of the term · Pharmacotheon · Self-experimentation as method

Ethnopharmacology · Ayahuasca and beta-carbolines · Plant chemistry · Fieldwork with traditional preparations · The pharmacology behind the ritual

Phenomenology of ayahuasca · The antipodes of the mind · Cognitive psychology of visions · First-person data taken seriously · Structure in the extraordinary

Mycelial networks · Fungal ecology · Mycoremediation · Medicinal mushrooms · The mycelium as network