1963. Seventh Impression. 320 pages. Illustrated dust jacket over blue cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Gilt lettering is darkened. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Moderate tanning to spine.