1972. 18th Printing. 151 pages. Pictorial dust jacket over purple cloth. Black and white illustrations throughout. Binding remains firm. Pages and illustrations are lightly tanned throughout. Minor markings to some pages. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning to spine and edges. Staining to rear panel. Wear marks overall.