No Edition Remarks. 160 pages. Illustrated dust jacket over red cloth covered boards. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Front free end paper missing. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Some of the puzzles have been partially completed. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Unclipped jacket has moderate edge-wear with chips, tears and creasing.