1961. This edition. 340 pages. Pictorial dust jacket over blue cloth. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. A previous owner's name to front free endpaper. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Gilt lettering remains bright and clear. Clipped jacket has light edge wear with minor tears, chipping and creasing.