1966. Third Edition. 466 pages. Dust jacket over blue cloth. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with mild thumb-marking. Notable staining to text block edges. Boards have light shelf-wear with corner bumping. Mild crushing to spine ends. Books has a backward lean. Boards are mildly warped. Mild scratching and marking to boards. Ring mark to front board. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Moderate water staining to rear panel. Moderate tanning to spine and edges. Visible rubbing and marking all over. Pen to front.