1960. Revised and Enlarged Third Ed. 1063 pages. No dust jacket. Black cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Cracking to hinges, no damage to end papers. 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 has become dull. Cloth has minor damp and dust stains. Book has a slight forward lean.