1957. Fourth Impression. 664 pages. Dust jacket over green cloth. Contains black and white illustrations and photographs. Pages remain bright and clear with minimal tanning and foxing. Front hinge slightly cracked with exposed netting. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Gilt lettering is dulled. Mild sunning to boards. Unclipped jacket has light edgewear with tears and creasing.