1968. Eleventh Impression. 608 pages. Illustrated dust jacket over brown cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Minor pencil marking to front free end-paper. Some occasional mild cracking to gutters throughout, 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. Gilt lettering is bright and clear. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Moderate tanning to spine.