What are hallucinogenic plants? How do they affect mind and body? Who uses them - and why? This unique Golden Guide surveys the role of psychoactive plants in p

One country's sacrament is another's illicit drug, as officials in South America and the United States are well aware. For centuries, a hallucinogenic tea made

World-renowned anthropologist and ethnopharmacologist Christian Ratsch provides the latest scientific updates to this classic work on psychoactive flora by two

Designed primarily for professional people treating cases of misuse. More than 200 of the major plants are treated in depth. Accompanied by 550 excellent photos