22 x 28cm unpaginated paperback with metal clip binding. Covers and page edges browned and slightly stained. Second edition of 100 copies, February 1971. (First edition of 200 copies was published in April 1970.) Offset printing by Oberlin College, Graphic Service. Sixty-four contributors to this conceptual exhibition catalogue, including Vito Acconci, John Baldessari, James Lee Byars, Adrian Piper and others. The second edition includes one extra contributor, not included in the first edition.