- Cannabis and Cannabinoids: Pharmacology, Toxicology, and Therapeutic Potential
- Introduction to Pharmacology, Third Edition (Paperback)
- Marijuana Medicine: A World Tour of the Healing and Visionary Powers of Cannabis
- Heavier than Heaven
- Beyond the Brain: Birth, Death, and Transcendence in Psychotherapy
- Pharmacotheon: Entheogenic Drugs, Their Plant Sources and History
- A Psychonaut's Guide to the Invisible Landscape: The Topography of the Psychedelic Ex
- The Medicinal Uses of Cannabis and Cannabinoids
- Marching Powder
- Higher Wisdom
- Flashback
- Ayahuasca: The Visionary and Healing Powers of the Vine of the Soul
- Down the highway: The life of Bob Dylan
- Tweak: Growing up on Methamphetamines
- Memoirs - A Piece of Cake: A Memoir
- Medical - Dying to Get High: Marijuana as Medicine
- Medical - Receptors
- History - Storming Heaven: LSD and the American Dream
- Remember, Be Here Now
- The Brotherhood of Eternal Love: From Flower Power to Hippie Mafia:
- Spirituality - The Sabbats: A New Approach to Living the Old Ways
- Other-Fiction - Shantaram
- Other-Fiction - Trainspotting
- Novel - Junky - William S. Burroughs
- Reference - Peyote: The Divine Cactus
- Naked Lunch
- Short Stories - White Lines : Writers on Cocaine
- Science - Holographic Universe
- Nature - Dank: the Quest for the Very Best Marijuana
- Novel - Rant: The Oral Biography of Buster Casey
- How-to - Empathy for the devil
- How-to - The Alcoholism and Addiction Cure - A Holistic Approach To Total Recovery
- Law/Politics - Drug Warriors and Their Prey: From Police Power to Police State
- Medical - Drugs of Abuse by Simon Wills
- Social Sciences - DOWN TO THIS: Squalor and Splendour in a Big-City Shantytown
- Social Sciences - The High Society by Justine Delaney Wilson
- Opium Culture: The Art and Ritual of the Chinese Tradition
- History - The True History of Chocolate
- Sacred and Herbal Healing Beers: The Secrets of Ancient Fermentation
- Spirituality - Be Here Now
- How-to - The Alaskan Bootlegger's Bible
- Other-Fiction - The Serpent and the Rainbow
- How-to - Cannabis Alchemy
- Other-NonFiction - Ketamine: Dreams and Realities
- The Chemistry of Mind-Altering Drugs
- Social Sciences - In the Realm of Hungry Ghosts: Close Encounters with Addiction
- Autobiography - Tales of Wonder
- Spirituality - Green Psychology, author Ralph Metzner
- Memoirs - Opium: The Diary of an Addict by Jean Cocteau
- Reference - Recreational Drugs
- Other-Fiction - The 120 Days of Sodom
- History - Albion Dreaming
- Novel - The Death of Bunny Munro
- Science - The Art of Knowing