1920. Fourth Edition. 208 pages. No dust jacket. Green cloth covered boards with gilt. Pages are moderately tanned and occasionally foxed throughout. 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. Gilt lettering has become dull. Cloth has minor damp and dust stains. Book has a slight forward lean.