1957. Ninth Impression. 766 pages. Plain dust jacket over blue cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Some occasional mild cracking to gutters throughout however binding remains reasonably firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Moderate tanning to spine. Gilt lettering is darkened. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Moderate tanning to spine.