1964. British Edition, Revised. 285 pages. Pictorial dust jacket over blue cloth. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout, heavier to endpapers. Occasional thumb-marking present. Minor pencil inscription to front free endpaper. Binding remains firm. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Soft crushing to spine ends. Mild tanning to spine and edges. Unclipped jacket has heavy edge wear with some areas of loss, heavy tears, chips and creasing. Dark rubbed marking overall.