1967. Fourth Impression. 296 pages. Illustrative jacket over blue cloth. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Visible creasing to gutter. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Bleaching to edges. Textblock is shaky. Clipped jacket has moderate edgewear with chips, tears and creasing. Some tanning to spine. Visible rubbing to surfaces. Scuffing to edges.