1920. Fourth Edition. 125 pages. No dust jacket. Black cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front paste-down. 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. Cloth has minor damp and dust stains. Book has a slight forward lean. Gilt lettering has become dull.