1968. First Edition. 62 pages. Green dust jacket over green paper covered boards. Black and white illustrations throughout. Pages are bright and clear with no visible markings. Binding throughout remains firm. Previous owner's inscription to front endpaper. Boards have light shelf-wear with corner bumping. Mild tanning to spine and board edges. Clipped jacket has moderate edgewear with chips, tears, and creasing. Mild tanning to spine. Sticker remnants to front panel. Light rubbing and marking all over.