1957. Twenty Fourth Edition. 395 pages. Plain dust jacket over red cloth covered boards. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front free end-paper. Cracking to hinges, no damage to end papers. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Moderate crushing to spine ends. Book has a slight forward lean. Unclipped jacket has moderate edge-wear with chips, tears and creasing.