1950. Twelfth Edition. 403 pages. No dust jacket. Beige cloth covered boards. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front free end-paper. Cracking to gutters, no damage to end papers. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Sunning to spine. Cloth has minor damp and dust stains. Sunning to top of front board.