1970. Third Edition. 413 pages. No dust jacket. Blue cloth with gilt lettering to spine. Pages are lightly tanned and foxed, but text remains clear. Binding is firm. Previous owner's inscription to front free endpaper. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Spine is slightly sunned, with mild crushing to ends. Minimal rubbing and scuffing overall. Gilt remains bright. Slight forward lean.