1950. Revised Edition. 319 pages. No dust jacket. Green cloth boards with gilt lettering. Contains black and white illustrations and plates. Clean pages, plates and illustrations with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Top textblock edge dyed green. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Gilt lettering is darkened. Minor sunning to spine and edges with crushing to spine ends. Visible wear and liquid marks to boards.