Some important books on Entheogens.
Stanislav Grof – Realms of the human Unconscious
John C. Lilly – The Scientist
John C. Lilly – The center of the cyclone
John C. Lilly – Simulations of God
Rick Strassman – DMT the spirit molecule
Rick Strassman – DMT and the soul of prophecy
Rick Strassman, Slawek Wojtowicz, Luis Eduardo Luna and Ede Frecska – Inner paths to outer space
Seeking the sacred with psychoactive substances. Chemical paths to spirituality and to God.
Ann & Alexander Shulgin – PIHKAL
Ann & Alexander Shulgin – TIHKAL
Roberts – Spiritual growth with Entheogens
Oroc – Tryptamine Palace
Martin W. Ball – Mushroom Wisdom
Vincent Ravalec, Mallendi and Agnès Paicheler – Iboga The visionary root of African Shamanism
James W. Jesso – Decomposing the Shadow – Lessons from the Psilocybin Mushroom