Artist's book based around four stereoscopic events and reactions photographed by Baldessari. Four events are pictured: (1) Putting a finger in milk; (2) Touching a cactus; (3) Putting out a cigarette; and (4) Pushing a plate off a table. A young woman's reactions are pictured on facing pages. "This book was published on the occasion of the exhibition held at the Stedelijk Museum, Amsterdam, from November 21st, 1975, through January 4th, 1976"
