Alexander Shulgin "Tryptamines that I knew and loved." The American chemist in the book describes in detail his (and his wife also participated) psychopharmacological experiences from taking psychoactive substances.
Stanislav Groff is a psychologist and psychiatrist, a friend of Albert Hoffman. Ah, I don’t remember exactly, but it seems he has about 200 trips of personal experience and about 500 observations. He turns the world around. I love Groff.
Realms of Human Unconscious, 1975.
The Human Encounter with Death, with Joan Halifax, 1977 ).
Beyond the Brain (1985).
The Stormy Search for the Self (with Christina Grof, 1990).
The Holotropic Mind, 1992.
The Cosmic Game: Explorations Of The Frontiers Of Human Consciousness, 1998.
The Psychology of the Future (2000).
The Greatest Journey. Consciousness and the mystery of death ("The Ultimate journey. Consciousness and the mystery of death", 2007).
When the impossible is possible. Adventures in the unusual realities (2007).
The adventure of self discovery (1991).
Healing our deepest wounds. Holotropic Paradigm Shift ("Healing our deepest wounds. The holotropic Paradigm Shift", 2012).