Exhibition catalogue published in conjunction with show held at San Benedetto del Tronto, July 5 - August 28 1969 . Text by Luciano Marucci, Gillo Dorles, and Filiberto Menna. Artists included are Carlo Alfano, Getulio Alviani, Pier Paolo Calzolari, Mario Ceroli, Bruno Contenotte, Gabriele De Vecchi, Jannis Kounellis, Ugo La Pietra, Gino Marotta, Eliseo Mattiacci, Mario Merz, Aldo Mondino, Mario Nanni, Maurizio Nannucci, Ugo Nespolo, Filippo Panseca, Luca Patella, Marinella Pirelli, Gianni Pisani, Alberto Boatto, Bruno Munari, Gianfranco Baruchello, Alfredo Leonardi, Giorgio Turi, Marc Adrian, Getulio Alviani, Fernandez Arman, Joseph Beuys, Max Bill, Eugenio Carmi, Gianni Colombo, Franco Costalonga, Lucio Del Pezzo, Herbert Distel, Angel Duarte, Karl Gerstner, H.J. Glattfelder, Enzo Mari, Fabio Mauri, Christian Mergert, Edoardo Paolozzi, Günther F. Ris, Paolo Scheggi, Nicolas Schöffer, Richard Smith, Jesus Rafael Soto, Victor Vasarely, Kiky Vices Vinci, Giuseppe Chiari, Schäffer Boguslaw, Vittorio Gelmetti, and Pietro Grossi. Includes discussions of audio-visual art and commentary by the artists. In English and Italian.