1957. 5th Edition. 702 pages. Grey dust jacket over brown cloth. Binding remains firm. Pages have light tanning and foxing throughout. Pencil inscription to front free endpaper. Water staining to bottom edge of text block. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning and water staining to spine and edges.