22.8 x 20.5 cm, 136 pp., including three fold-outs, one unbound insert + two tipped-on envelopes containing texts. Printed red wrappers. Design and layout by George Maciunas. Second edition of this prototypical Fluxus compendium. Pagework contributions by Brecht, Cage, De Maria, Flynt (the first publication of his essay on concept art), Ono, Higgins, Ray Johnson, Mac Low, Nam June Paik, Terry Riley, Diter Rot (die-cut pagework), Emmett Williams, Young, et. al. A very good + copy. This copy is dedicated ("To Emma, with all good vibrations and appreciation", signed and dated (and timed!) by both la Monte Young and Marian Zazeela in 1997.