1964. First US edition. 183 pages. Blue jacket over blue cloth. Jacket illustration by Riki Levinson. Pages remain bright and clear with minimal tanning or foxing. Endpapers are noticeably tanned and dust marked. Boards have some moderate edge wear, with slight bumping to corners and minor bumping and fraying to spine ends. A couple of small pale water stains to boards. Text block edges are a little tanned and foxed. Text block is firm. Unclipped jacket; light edgewear, small tears and creasing. Pieces of paper attached to underside to repair small closed tears. Jacket somewhat rubbed and marked overall, with thin white mark front.