London: Routledge and Kegan Paul. 8vo., pp.xii,337, black cloth, top edges black, 4 b/w plates; pencilled notes to rear paste-down endpaper, and very minor pencilling within, light foxing to fore-edges, else very good, in good unclipped dust-jacket, which has closed tear to head of spine, and some creasing, rubbing and slight chipping to extremities, and is now in a protective cover.