Some of the books and other materials I have found

to be particularly interesting and helpful:

Badiner, Allan, Ed., Zig Zag Zen: Buddhism and

Psychedelics, Synergistic Press, Sante Fe, 2015.

Dolce, Joe, Brave New Weed: Adventures into the Unchartered World of Cannibis, Harper Collins, New York, 2016.

Fadiman, James, The Psychedelic Explorer's Guide: Safe, Therapeutic and Sacred Journeys, Park Street, Rochester, VT., 2011.

Grof, Stanislav, Healing Our Deepest Wounds: The Holotropic Paradigm Shift, Stream of Experience, Newcastle, WA, 2011.

Grof, Spiritual Emergency: When Personal Transformation Becomes a Crisis, Penguin Putnam, New York, 1989.

Grof, When the Impossible Happens: Adventures in Non-Ordinary Realities, Sounds True, Bolder, 2006.

Hari, Johann, Chasing the Scream: The First and Last Days of the War on Drugs, Bloomsbury, New York, 2015.

Mate, Gabor, In the Realm of Hungry Ghosts: Close Encounters With Addiction, North Atlantic, Berkley, 2010.

Pollan, Michael, How to Change Your Mind: What the New Science of Psychedelics Teaches Us About Consciousness, Dying, Addiction, Depression, and Transcendence, Penguin Press, New York, 2018.

Sapolsky, Robert M., Why Zebras Don't Get Ulcers: The Acclaimed Guide to Stress, Stress-Related Diseases, and Coping, 3rd Ed., St. Martins, New York, 2004.

Van Der Kolk, Bessel, The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma, Viking, New York, 2014.