1968. Fourteenth Edition. 368 pages. Dust jacket over blue cloth. Clean pages with light tanning throughout. Tightly bound with faint thumb-marking throughout. Previous owner's inscription to front pastedown and endpaper. Light stain to front hinge. Boards have light shelf-wear with corner bumping. Mild sunning to spine, which has mild crushing and wear to ends. Book has forward lean. Boards are mildly warped. Clipped jacket has moderate edgewear with chips, tears, and creasing. Moderate sunning to spine. Mild rubbing and marking all over.