1948. Fourth Edition. 277 pages. No dust jacket. Blue cloth boards with gilt lettering. Contains black and white plates. Clean pages and plates with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pencil markings to front free endpaper and back pastedown. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Visible wear marks to boards.