SHEDLIN, Michael with David WALLECHINSKY and Saunie Salyer. Laughing Gas: Nitrous Oxide.

(San Francisco, CA) And / Or Press, 1973.  First edition.  Large format paperback.  88 pages.  Wonderful work on Nitrous Oxford commonly known as laughing gas, the fruits of three years research by the East Bay Chemical Philosophy Symposium.  Includes an account of effects, details on manufacture and historical references.  Illustrated throughout including Dr. Atomic cartoon by L.  Todd and cover illustration by R. Crumb.  A very good copy in wrappers.