New York: George Wittenborn Inc., 1956. First American Edition, printed in Italy. Octavo. Printed on various papers, with an assortment of intentional small cutouts and inserts. A triumph of design, and widely regarded as one of Munari's most popular books for children. Text in English. Bottom edge of the rear board a little worn, spot of wear as well on the bottom tip of the front edge, else near fine in illustrated boards as issued.