1968. Second Edition. 312 pages. Blue dust jacket over blue cloth. Well bound and clean pages, with mild tanning to text block edges. Some rub-marking and tanning to pastedowns and endpapers with inscriptions to front. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Unclipped jacket has light edge-wear with minor tears and chipping. Mild rubbing and marking.