Large-scale Allan Kaprow burlap-covered book with text and design by Kaprow. Features Kaprow's theory of the evolution of abstract expressionist painting into Proto-Pop, Neo-Dada, assemblage, environments and Happenings of the early 1960s. Documents works by Kaprow, Jean Follett, Robert Rauschenberg, Gloria Graves, Red Grooms, Robert Whitman, Jackson Pollock, Renee Miller, Martha Edelheit, Jim Dine, Clarence Schmidt, Yayoi Kusama, Claes Oldenburg, George Segal, Ay-o, George Brecht, Robert Watts, Jean Tinguely, Gutai Group [Sadamasa Motonaga, Akira Kanayama, Shuzo Mukai, Saburo Murakami, Shozo Shimamoto, Kazuo Shiraga, Atsuko Tanaka, Michio Yoshihara, Tsuruko Yamsaki], Jean-Jacques Lebel, Wolf Vostell, Ken Dewey, Milan Knízák. Extensive photographs of works and performances by photographers Robert R. McElroy and Peter Moore. A critical volume documenting the precursors of contemporary performance art.