1963. 3rd Edition, Revised & Enlarged. 948 pages. Pictorial dust jacket over blue cloth. Binding remains firm. Pages are lightly tanned throughout. Creasing to some pages. Previous owner's inscription to front free endpaper. Small tear to bottom edge of rear pastedown. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning to spine and edges.