1967. Sixth Printing. 643 pages. Dust jacket over blue cloth. Clean pages with mild tanning and notable foxing to endpapers. Tightly bound with faint thumb-marking throughout. Previous owner's inscription to front endpaper. Notable droplet staining to text block edges. Boards have light shelf-wear with corner bumping. Mild tanning to spine and board edges. Mild crushing to spine ends. Notable mottling. Book has forward lean. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Moderate tanning to spine. Moderate rubbing and marking all over. Mild water staining present.