1851. Editio Quarta. 361 pages. No dust jacket. This is an ex-Library book. Decorated blue cloth covered boards 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 however binding remains reasonably firm. 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. Book has a slight forward lean. Card panels have mild rubbing with minor pencil mark to front cover. Moderate tanning to spine.