1966. Seventeenth Impression. 191 pages. No dust jacket. Illustrative green paper covered boards. Contains black and white illustrations throughout. Pages remain bright and clear with minimal tanning and foxing. Heavier tanning to front and rear free endpapers and pastedowns. Pencil inscription to front free endpaper. Scuffing to front pastedown. Visible creasing to gutter. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Soft crushing to spine ends. Visible tanning to spine and edges. Tearing and scuffing to spine ends and corners. White marks to front and rear boards. Textblock is shaky.