Seventh Edition. 398 pages. No dust jacket. Decorated blue cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. End papers are more notably foxed. Previous owner's inscription 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, with fraying cloth and small splits. Gilt lettering has become dull. Book has a slight forward lean. Cloth has minor damp and dust stains.