1964. Twentieth Impression. 222 pages. Red dust jacket over blue cloth. Clean pages with light tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Mild droplet staining to text block edges. Boards have light shelf-wear with corner bumping. Mild sunning to spine, heavy to ends. Book has forward lean. Large water stains to rear board. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Heavy water staining to spine and rear panel. Heavy tanning to spine. Notable rubbing and marking all over.