1946. Tenth Edition. 333 pages. Illustrated dust jacket over blue cloth covered boards. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild sunning to small areas. Mild crushing to spine ends. Book has a moderate forward lean. Unclipped jacket has light edge-wear with tears and creasing.