1951. Sixth Edition. 256 pages. No dust jacket. Green cloth with decoration. Slight cracking to gutters with exposed netting, pages remain attached. Pages have light foxing throughout, heavier to endpapers. Pen mark to front free endpaper and pencil mark to final page. Boards have light shelf-wear with corner bumping. Light sunning to spine and edges with crushing to spine ends. White stains to rear board. Wear marks overall.