Berkeley, CA: University of California Press, 1968.
First edition, first printing. Bound in publisher's dark grey cloth with gilt lettering on spine. Very Good with cloth rubbed tips and nicked at the top edge of rear board. Foxing to textblock edge, previous owner name to front pastedown and inkless emboss to front free endpaper. In a price-clipped first state dust jacket, with rubbing, light edge wear, and a scar on the front panel from a price sticker removal that has been re-tinted green. The author's first account of his encounters with Yaqui shaman Don Juan Matus, published while he was still a grad student by an academic press. Item #140937501