Third mail order catalogue for Backworks, a bookstore operated by Barbara Moore and Jon Hendricks, published in 1978. Includes works by Robert Filliou, Ay-O, George Brecht, John Cage, Red Grooms, Ray Johnson, Al Hansen, Joe Jones, Allan Kaprow, Alison Knowles, Yoko Ono, Takako Saito, Ben Patterson, Daniel Spoerri. Photographs by Joanne Stamerra.