1964. Thirteenth Edition. 526 pages. Cream dust jacket over red cloth. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Overall a good condition item. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Unclipped jacket has heavy edgewear with some areas of loss, heavy tears, chips and, creasing. Noticeable tanning to spine. Some rubbing to surfaces. Scuffing to edges.