1952. Fourth Edition. 466 pages. Blue dust jacket over blue cloth. Prize plate stuck to front pastedown. Contains black and white photographic plates. Pages and plates are lightly tanned and foxed throughout, heavier to endpapers and pastedowns. Occasional thumb-marking present. Slight cracking to gutters of a few pages. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild tanning to spine and edges. Unclipped jacket has moderate edge wear with chips, tears and creasing. Moderate tanning to spine and edges. Scuffing and light marking overall.