1959. Seventh Impression. 183 pages. No dust jacket. This is an ex-Library book. Green cloth. Pages remain bright and clear. Library stamp to front free endpaper, with a few pen annotations throughout; text is not obscured. Binding is firm. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Moderate crushing and scuffing to spine ends. Light rubbing and scuffing overall, with small white marks to front board.