1941. 4th Edition. 319 pages. Pictorial dust jacket over grey cloth. Binding remains firm. Pages have light tanning and foxing throughout. Previous owner's inscriptions to front free endpaper. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends. Water staining to front board. Clipped jacket has heavy edgewear with areas of loss, heavy tears, chips, and creasing.