1969. 4th Edition. 288 pages. Beige dust jacket over brown cloth. Contains black and white illustrations. 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. Boards are slightly bowed. Clipped jacket has light edge-wear with minor tears and chipping. Moderate tanning and creasing, with rubbing and marking. Small area of loss to edges.