1945. Seventh Edition. 638 pages. No dust jacket. Blue cloth with gilt. Pages remain clear with minimal tanning and foxing. End papers are more notably foxed. Minor pencil marking to front paste-down. Text block edge is moderately foxed. 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.