1956. Revised Edition. 103 pages. Pictorial dust jacket over purple cloth. Black and white illustrations throughout. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Front free endpaper cut out. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Wear marks overall. Unclipped jacket has heavy edgewear with areas of loss, heavy tears, chips, and creasing. Light tanning to spine and edges. Wear marks and foxing overall.