Aarau: AT Verlag, 2001.

5 Auflage. Hardcover. Light wear; Dust Jacket light edgewear. Solid oversize hardcover. ; German language. Everything about psychoactive plants and substances. Botany, cultivation methods, preparation and dosage, history, ritual and medicinal uses, ingredients, effects, marketing forms and regulations. The world's first comprehensive work on the subject..... More