The most comprehensive guide to the botany, history, distribution, and cultivation of all known psychoactive plants • Examines 414 psychoactive plants and rel

Traces the history of the use of hallucinogenic drugs and discusses the psychological and physical effects of LSD, marijuana, mescaline, and other drugs.

Techniques for cultivation and harvesting hallucinogenic and psychoactive plants. Written in careful detail by an expert horticulturist. This hard to obtain cul

A comprehensive survey of the therapeutic, historical, and cultural uses of cannabis in traditions around the world. • The most complete visual record of cann

The most comprehensive guide to the botany, pharmacology, cultural, ritual, and personal use of erotically stimulating substances from antiquity to the present