1923. Sixth Edition. 580 pages. No dust jacket. Green cloth with gilt. Pages are moderately tanned and occasionally foxed throughout. End papers are more notably tanned. 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. Sunning to spine. Cloth has minor damp and dust stains. Book has a slight forward lean.