1925. 4th Edition. 214 pages. Illustrated dust jacket over brown cloth covered boards. Pages remain clear with minimal tanning and foxing. End papers are more notably tanned. Heavier tanning to text block edges. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Partially tanned.