1947. Fifth Revised Edition. 751 pages. No dust jacket. Blue cloth. Black and white photographic plates. Light water staining and tanning to pages; text and images unaffected. More prominent to text block edges, pastedowns and free endpapers. Light cracking and creasing to gutters but binding remains firm. Boards have minor corner bumping and edgewear with mild tanning and scuffing overall. Spine has heavier tanning with soft crushing to ends. Book has a slight forward lean.