New York: Harcourt, Brace and Company, (1960). Edition in English. Folio. (112) pp. Text by Gaston Bachelard. Illustrated with color lithographic frontispiece, 23 color lithographs, and numerous black and white plates. Original illustrated boards; all edges trimmed; in price-clipped dust-jacket, head of spine panel repaired with sello tape, a few short closed tears at panel joints and edges.