1953. Tenth edition. 416 pages. Pictorial dust jacket over green 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. Unclipped jacket has heavy edge wear with tears, chipping and creasing. Some tanning and foxing to all surfaces.