COHEN, Sidney. Drugs of Hallucination.

(London): Secker & Warburg, 1965. First UK edition. Hardback. 22cm by 14.6cm. 268 pages. Introduction by John Rowann Wilson. An early and influential study of hallucinogenic drugs by Sidney Cohen, a pioneering clinical researcher in the field of psychedelic substances. The work examines the pharmacology, psychological effects, and therapeutic implications of compounds including Lysergic acid diethylamide (LSD), mescaline, and psilocybin, drawing on both laboratory research and clinical case material. Published at a formative moment in the history of psychedelic research, the book is notable for its measured, medically grounded approach, anticipating the subsequent shift from psychiatric investigation to public controversy later in the 1960s. A very good copy in dust jacket. This with the name stencil of Georges de Roo, the Belgian psychedelic artist and pioneer of liquid slides.