1951. Third Enlarged Edition. 516 pages. Cream dust jacket over brown cloth. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Previous owner's inscription to front free endpaper. Visible creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Some sunning to spine and edges. Visible marks to boards. Unclipped jacket has heavy edgewear with some areas of loss, heavy tears, chips and, creasing. Noticeable tanning to spine. Visible rubbing to surfaces. Scuffing to edges.