1961. Fourth Edition. 682 pages. No dust jacket. Grey cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front free end-paper. Tape marks to paste downs. Hinges are cracked with exposed netting. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is bright and clear. Book has a slight forward lean.