1960. Third Edition. 180 pages. Pictorial dust jacket over green cloth. Black and white illustrations throughout. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Previous owner's inscription to front free endpaper. Water staining to top edge of front pastedown and endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Wear marks overall. Unclipped jacket has light edgewear with tears and creasing. Light tanning spine and edges. Wear marks and foxing overall.