answered by Anonymous c/o Marilyn Monroe, George Brecht, Jacque Charlier, Hervé Fischer, Ken Friedman, Dick Higgins, Pierre Restany, Takako Saito, Mieko Shiomi, Wolf Vostell, unanswered by Marcel Duchamp, 1st edition of 300 copies, stapled, 16 not numbered pages, 21 x 14,5 cm, Berlin 1974