WASSON, R. GORDON; ET AL Maria Sabina and her Mazatec Mushroom Velada. Photographic plates. 4to, 1/4 navy morocco, patterned cloth; in

cloth slipcase together with cloth folding case containing 4 phonograph records and musical score booklet. New York, (1974) ONE OF ONLY FIFTY ROMAN-NUMBERED SETS, of an edition of 250, printed at the Stamperia Valdonega. Exhaustive account of a psilocybin-enhanced shamanic ceremony performed in 1958 at a Mazatec village in Oaxaca, Mexico, with complete sound track.