London: Chatto & Windus, 1951. Revised and reprinted. First published in two separate volumes in 1940 and 1938. First one volume, revised, was in 1945. Octavo, blue cloth. pp (2), 445 + frontispiece portait and numerous other plates and folding map at rear. Index. Spine and spine lettering faded, a good, clean, tight and unworn jacketless copy otherwise.