1949. Twentieth Edition Revised. 293 pages. Pictorial dust jacket over blue cloth with gilt lettering. Light foxing and tanning to pages.More prominent to text block edges, pastedowns and free endpapers. Pen inscription to front free endpaper. Minor staining to hinges. Boards have minor corner bumping and edgewear with mild tanning and scuffing overall. Spine has light tanning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean. Clipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.