1937. Fourth Edition. 352 pages. Pictorial dust jacket over grey cloth. Pages remain bright and clear with minimal tanning and foxing. More pronounced to endpapers, pastedowns and text block edges. Pen and pencil inscription to front free endpaper. Binding remains firm. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Boards are warped. Unclipped dust jacket. Panels to dust jacket have noticeable edge wear with chips, tears and creasing.