1959. Sixth Edition, 3rd Impression. 107 pages. Pictorial dust jacket over blue cloth. Black and white illustrations throughout. Slight cracking to gutters with exposed netting, pages remain attached. Pages and illustrations have light tanning and foxing throughout. 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. Water staining overall.