1924. 11th edition. 1570 pages. No dust jacket. Dark red cloth. Contains black & white illustrations and plates. Text block edge has been dyed red . Pages are tanned and foxed, however plates remain bright & clear. Text is clear. Binding is slightly shaky, however pages remain attached. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Visible crushing to spine. Heavy sunning to spine and edges with crushing to spine ends.