1964. Twelfth impression. 448 pages. No dust jacket. Red cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Previous owner's inscription to front free end-paper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Sunning to spine. Gilt lettering is bright and clear. Mild crushing to spine ends. Book has a slight forward lean.