hardback, two volumes, blue covers lettered silver, lacking dust jackets. A good tightly bound set, corners of the boards rubbed, age-toning and spotting to the closed page edges. the free endpapers of volume one have some minor residual cellotape marks, and spotting, the remainder of the text is clean and unmarked. Colour frontis to both volumes, b&w plates, illustrations & maps. The edition de-luxe, limited to 250 copies of which this example is numbered 189.