Exhibition catalogue published in conjunction with the 7th Paris Biennale held at the Parc Floral de Paris, Bois de Vincennes, Paris, France, September 24 - November 1, 1971. Essay by Achille Bonito Oliva. Artists include Alighiero Boetti, Pierpaolo Calzolari, Gino De Dominicis, Luciano Fabro, Mimmo Germanà, Giuseppe Penone, Emilio Prini, Gilberto Zorio, Jannis Kounellis, Giulio Paolini, Giorgio Pressburger, Achille Bonito Oliva, Mario Franco, Umberto Silva, Paolo Mussat Sartor, Frederic Rzewski, Marcello Panni, Archizoom, Superstudio, and Ufo. Includes artists' biographies, exhibition histories, and bibliographies. Illustrated in black-and-white and color. Text in English, Italian, and French.