1947. Sixth Edition. 191 pages. Illustrated dust jacket over beige cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Cloth has minor damp and dust stains. Moderate crushing to spine ends with splits and loss to cloth. Unclipped jacket has heavy edge-wear with some areas of loss, heavy tears, chips and creasing. Jacket is split in two at the spine.