1963. Revised Edition. 547 pages. Yellow dust jacket over blue cloth. Severe cracking to hinges causing boards to be loose. Pages are lightly tanned throughout. Water staining to some page edges, text remains unaffected. Previous owner's inscription to front free endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Dents to top edge of rear board. Clipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning to spine and edges. Water marking to spine and front panel. Light foxing overall.