First edition: Indianapolis/New York: The Bobbs-Merrill Company, Inc. [1962]. Stiff white wrappers with beige and black pictorial stamping. No statement of first edition.
First hardcover edition: New York: Dodd, Mead & Company [1979]. White boards with beige and black pictorial stamping; pictorial dust wrapper. "Reissued 1979, First Printing" on copyright page. Note: The pictorial design on this reissue is the same as that used on the first edition.