Growing Gourmet and Medicinal Mushrooms

Hallucinogenic and Poisonous Mushroom Field Guide

Heads Together: Weed and the Underground Press Syndicate, 1965–1973

Heads: A Biography of Psychedelic Americal

Held Safe Hold Space

Heroin User's Handbook

Home Baked: My Mom, Marijuana, and the Stoning of San Francisco

How to Change Your Mind: What the New Science of Psychedelics Teaches Us About Consciousness, Dying, Addiction, Depression, and Transcendence

I Feel Love: MDMA and the Quest for Connection in a Fractured World

Intelligence Agents

Invisible Landscape: Mind, Hallucinogens, and the I Ching

Ketamine

Leary on Drugs: New Material from the Archives! Advice, Humor and Wisdom from the Godfather of Psychedelia

Liber 420: Cannabis, Magickal Herbs and the Occult

Lilly Wave

Liquid Conspiracy 2: The CIA, MI5 and Big Pharma's War on Psychedelics

Little Book of Cannabis: How Marijuana Can Improve Your Life

LSD And The Divine Scientist: The Final Thoughts And Reflections Of Albert Hofmann

LSD: Doorway to the Numinous: The Groundbreaking Psychedelic Research into Realms of the Human Unconscious

Magic Mushroom Grower's Guide: Simple Steps to Bulk Cultivation

Marijuana Garden Saver: A Field Guide to Identifying and Correcting Cannabis

Marijuana Grower's Handbook: Your Complete Guide for Medical and Personal Marijuana Cultivation (Deluxe Edition)

Marijuana Horticulture Fundamentals: A Comprehensive Guide to Cannabis Cultivation and Hashish Production