1958. Sixteenth Edition. 223 pages. Pictorial dust jacket over blue cloth. Pages are lightly tanned and foxed throughout, heavier to endpapers. Occasional thumb-marking present. Dust soiling to text-block edges. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild sunning to spine and edges, with some lightened areas to boards. Unclipped jacket has heavy edge wear with some areas of loss, heavy tears, chips and creasing. Notable foxing and tanning to surfaces. Dark rubbing and scuffing overall.