London: Cassell and Company, 1951. First UK edition, 8vo., pp.ix,222, black cloth, gilt, b/w maps and plates; slight toning and foxing to edges, a very good+ copy, in a very good unclipped pictorial dust-jacket, which is lightly chipped at headband and at rear lower corner, with 4cm closed tear to front lower margin, and light surface soil and foxing to rear panel. No in a protective cover.