Allegro, John M-The Sacred Mushroom and the Cross
Brown and Brown-The Psychedelic Gospels
Buhner, Stephen-Plant Intelligence and the Imaginal Realm
Cowan, Eliot-Plant Spirit Medicine
Escohotado, Antonio-A Brief History of Drugs
Forte, Robert-Entheogens and the Future of Religion

Goodenough, Ursula-The Sacred Depths of Nature
Gray, Stephen Cannabis and Spirituality-An Explorers Guide to an Ancient Plant Spirit Ally
Grof, Stanislav-The Way of the Psychonaut Volume 1
Grof, Stanislav-The Way of the Psychonaut Volume 2
Hanson, Thor-The Triumph of Seeds
Heaven, Ross and Charing, Howard-Plant Spirit Shamanism

Heinrich, Clark-Strange Fruit-Alchemy Religion and Magical Foods
Hofmann, Albert and Schultes, Richard-Plants of the Gods
Lipp, Frank J-Herbalism
McKenna, Terence-Food of the Gods-The Search for the Original Tree of Knowledge
Narby, Jeremy-Intelligence In Nature

Nestor, James-Breath
Ott, Jonathan-Persephones Quest
Ott, Jonathan-The Age of Entheogens
Pollan, Michael-How to Change Your Mind
Pollan, Michael-This Is Your Mind on Plants

Powell, Simon-Psilocybin Solution
Sansouci, Jenny-The Rebel's Apothecary
Shoemaker, Alan-Ayahuasca Medicine
Wohlleben, Peter-The Secret Wisdom of Nature