1955. Second Revised Edition. 579 pages. Illustrated dust jacket over grey cloth with gilt lettering. Black and white photographic plates. Light tanning to pages with visible foxing to text block edges. More prominent to pastedowns and free endpapers. Binding is slightly loose but pages remain attached. Boards have minor corner bumping and edgewear with mild water staining, tanning and scuffing overall. Spine has minor tanning with visible water staining and 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. Some minor tanning, creasing and scuffing overall.