1951. Second Edition. 175 pages. Pictorial dust jacket over red cloth. Black and white illustrations and photographic plates throughout. Binding remains firm. Pages have light tanning and foxing throughout. Stamp to front free endpaper. Boards have light shelf-wear with corner bumping. Very slight crushing to spine ends. Unclipped jacket has light edgewear with tears and creasing. Light sunning to edges, heavier to spine. Wear marks overall.