Third edition, first printing. xvi, 208pp, twelve black and white photographic plates (including frontispiece). Brown cloth-covered boards, gilt titles on spine. 8vo. Cloth a little pushed in at spine ends. Text block edges dull. Internally neat, clean, bright and tight. In it original illustrated dust wrapper, worn and rubbed on edges and folds, a little scuffed at ends of a lightly sunned spine.