1957. Third Edition Revised. 444 pages. No dust jacket. Green cloth with gilt lettering.Black and white photographic plates. Light staining and tanning to pages. More prominent foxing and tanning to text block edges, pastedowns and free endpapers. Binding remains firm. Boards have minor corner bumping and edgewear with mild tanning and scuffing overall. Spine has slightly heavier tanning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean.