1959. Fourth Impression. 143 pages. Dust jacket over blue cloth. Clean pages with noticeable tanning to endpapers. Tightly bound with faint thumb-marking throughout. Previous owner's inscription to front endpaper. Boards have light shelf-wear with corner bumping. Mild sunning to spine, which has mild crushing and wear to ends. Clipped jacket has moderate edgewear with chips, tears, and creasing. Heavy tanning to spine. Notable rubbing and marking all over.