1950. Fourth Impression. 40 pages. Blue dust jacket over blue cloth. Clean pages with faint tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Pencil inscription to front endpaper. Boards have light shelf-wear with corner bumping. Mild sunning to spine. Unclipped jacket has light edgewear with tears and creasing. Small droplets to surfaces. Heavy tanning to spine. Mild foxing.