1924. Sixth Edition. 307 pages. No dust jacket. Green cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. End papers are more notably tanned. Text block edge is moderately foxed. Cracking to hinges, no damage to end papers. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering has become dull. Sunning to spine. Book has a slight forward lean.