1964. Fourth Impression. 545 pages. Dust jacket over brown cloth. Clean pages with light tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Boards have light shelf-wear with corner bumping. Mild sunning to spine and edges. Mild crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Notable foxing. Moderate tanning to spine. Mild rubbing and marking all over.