Critical text by Germano Celant. Artists featured include Giovanni Anselmo, Alighiero Boetti, Pier Paolo Calzolari, Luciano Fabro, Jannis Kounellis, Mario Merz, Marisa Merz, Giulio Paolini, Pino Pascali, Giuseppi Penone, Michelangelo Pistoletto, Emilio Prini, and Gilberto Zorio. Includes bibliography. Printed in black-and-white. Text in English and Italian.