1939. Sixth Edition. 323 pages. No dust jacket. Red cloth. Front free endpaper has been removed. Contains black and white photographic plates. Pages and plates are lightly tanned and foxed throughout, heavier to endpapers. Cracking to gutters of a few pages with exposed binding. Occasional thumb-marking present. Cracking to hinges with exposed binding, causing boards to be slightly loose. Binding is slightly shaky. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Crushing to spine ends with small splits and fraying to cloth. Mild tanning to spine and edges. Mild splits to joints.