1979. Fourth Impression. 635 pages. Blue dust jacket over red cloth. Contains black and white illustrated plates. Pages and plates are lightly tanned and foxed throughout. Occasional thumb-marking present. 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. Notable tanning to spine and edges. Scuffing and light marking overall. Water staining and dark foxing to all surfaces.