1938. Fourth Edition. 452 pages. No dust jacket. Green cloth. Contains black and white illustrations throughout. Pages remain bright and clear with minimal tanning and foxing. Heavier tanning to free endpapers and pastedowns. Previous owner's inscription to front pastedown. Some creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Light crushing to spine ends. Visible tanning to spine and edges. Minor marks to boards.