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. Very good. Item #298
A landmark study of the hallucinogenic mushrooms of Mexico and their ritual used by noted curandera, Maria Sabina.