1949. Ninth Edition. 166 pages. No dust jacket. Grey cloth. Pages remain bright and clear with minimal tanning and foxing. Heavier tanning to free endpapers. Pencil inscription to front free endpaper. Thumb-marking present. Light creasing to gutter. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Noticeable tanning to spine and edges. Small brown marks to boards. Textblock is shaky. Book has a visible forward lean.