1960. Thirteenth Impression. 46 pages. Pictorial dust jacket over pictorial cloth. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned, particularly spine ends. Unclipped jacket has heavy edge wear with large tears, chipping and creasing. Spine noticeably sunned.