1961. Fourth Edition. 444 pages. Pictorial dust jacket over light orange cloth. Black and white illustrations throughout with photographs to centre of book. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Water staining to text block edges. Pencil inscription to rear free endpaper. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Slight crushing to spine ends. Light sunning to edges. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning to spine. Wear marks and foxing overall.