1937. Fourth Edition, Revised. 687 pages. No dust jacket. Green cloth. Pages are lightly tanned and foxed throughout, heavier to endpapers. Cracking to gutters of a few pages with exposed binding. Occasional thumb-marking present. Slight cracking to rear hinge. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Crushing to spine ends with small splits and fraying to cloth. Moderate tanning to spine and edges. Scuffing and light marking overall. Minor white marking to spine.