1937. Fourth Impression. 528 pages. No dust jacket. Red cloth covered boards. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Previous owner's inscription to front free end-paper. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Cloth has minor damp and dust stains. Sunning to spine.