New York: Alfred A. Knopf, 1964. 162pp. Original red cloth, gilt. Original price-clipped pictorial dust-wrapper. Octavo. First edition. First issue. Signature of Dahl mounted on half-title. A fine copy in a very good wrapper that has some slight soiling and wear to the edges. The first U.S. edition was preceeded the English first by three years. The first issue can be determined by the six lines of printing information on the colophon. Later issues have only five.