London: Allen Lane The Penguin Press, 1972. 8vo., pp.xvii, 407, xii, 363, brown cloth, gilt, both volumes contain a b/w frontispiece, text of Vol. 1 is accompanied by 8 b/w plates and Vol. 2 holds 12; slight rubbing and bumping, a few very light pencil marks, otherwise internally clean, both volumes in vg unclipped dust-jackets, with small closed tear to the front upper margin of jacket to Vol. 2.