1964. Revised Edition. 564 pages. Pictorial dust jacket over green cloth. Binding remains firm. Pages have light tanning and foxing throughout. Previous owner's inscriptions to front free endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Hole to cloth to front board. Clipped jacket has moderate edgewear with chips, tears, and creasing. Water marking to spine. Light tanning to spine and edges.