1956. Tenth Revised Impression. 144 pages. No dust jacket. Quarter bound in green cloth with brown paper covered boards. Contains black and white illustrations photographs. Pages remain bright and clear with minimal tanning and foxing. Heavier tanning and to endpapers. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Lettering is dulled. Water staining to boards. Price sticker to rear. Heavy sunning to spine.