1917. Sixth Edition. 1987 pages. No dust jacket. This is an ex-Library book. Brown cloth with gilt. Library copy, with expected inserts and inscriptions. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Some occasional mild cracking to gutters throughout, binding is shaky. Cracking to hinges, no damage to end papers. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Cloth has minor damp and dust stains. Mild crushing to spine ends. Moderate tanning to spine. Gilt lettering is darkened. Book has a slight forward lean.