Text by Adrian Henri. Divided into four chapters : Towards a Total Art, Art as Environment, Happenings, and the Artist as Performer. Artists featured in the texts include Ed Kienholz, Allan Kaprow, Claes Oldenburg, Jim Dine, Meredith Monk, Yves Klein, and Joseph Beuys. Also includes a partial chronology to 1963, a partial chronology of happenings by Allan Kaprow, soem scripts for happenings, and a copy of "The Art Works' Coalition" and the song "My Massacre," in addition to notes on the text, suggestions for further reading, list of illustrations, and an index. 150 plates, of which 30 are in color.