1965. 4th Edition Reprint. 628 pages. No dust jacket. Brown paper covered boards with white lettering to spine and front board. Pages remain bright and clear with minor tanning to edges and occasional pencil marks throughout. Pen inscription and small stain to front free endpaper. Binding remains firm. Boards have light shelf-wear with corner bumping. Moderate sunning to spine and board edges. Notable water stains to spine with small crushing to spine ends. Noticeable staining to rear board. White lettering is bright and clear.