1968. Sixth impression. 484 pages. No dust jacket. Green cloth. Pages remain bright and clear with minimal tanning and foxing. Pencil inscription to front free endpaper. Thumb-marking present. Visible creasing to gutter. Cracking to gutters, with exposed netting. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Soft crushing to spine ends. Noticeable tanning to spine and edges. White marks and scratches to boards. Textblock is shaky.