Paris: Du Museum National D'Histoire Naturelle, 1958. Hardcover. Inscribed to Isabel and Laurance Roberts by Wasson. Three-quarter bound red leather and marbled boards with gilt lettering. Raised bands on spine. Leather rubbed in places, tail of spine bumped, edges rubbed. and pages creased. A landmark study of the hallucinogenic mushrooms... More about Les Champignons Hallucinogenes Du Mexique