1958. Third Edition. 383 pages. Plain dust jacket over black cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. 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. Minor fraying to cloth at spine ends. Gilt lettering is bright and clear. Clipped jacket has moderate edge-wear with chips, tears and creasing. Moderate tanning and stains to spine.