1964. Seventh Impression. 354 pages. No dust jacket. Blue cloth. Binding remains firm. Pages have light foxing throughout. Markings, creasing underlining and annotations to some pages. Tear to page 321-322, text remains readable. Previous owner's inscription to front free endpaper. Boards have light shelf-wear with corner bumping. Medium crushing to spine ends causing fraying to cloth. Slight stains and wear marks overall.