1960. Tenth Impression. 884 pages. Illustrated dust jacket over brown cloth covered boards. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Cracking to hinges, no damage to end papers. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Cloth has minor damp and dust stains. Unclipped jacket has light edge-wear with tears and creasing.