John Fish and Richard Loewenkamp, illustrators. Stone Graphix. Denver: Stonegraphic Press, 1972. First edition.  Quarto. Unpaginated. Publisher’s Dos-A-Dos binding, pictorial card wraps, staplebound. Each half illustrated by the authors, with combined two-page drawing to center.  From The Ronald K. Siegel Collection of Books on Psychoactive Plants and Drugs.