Eleventh Edition. 664 pages. No dust jacket. Green cloth. Book has been rebound with original paper covers present. Contains black and white in-text illustrations. With small clippings tucked into book. Pages are lightly tanned and foxed throughout. Light thumb-marking present. Slight cracking to gutters of a few pages. Previous owner's inscription and stamped mark to front free endpaper and pastedown. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Light tanning to spine and edges.