1935. Sixth Edition. 480 pages. No dust jacket. Blue cloth boards with gilt lettering. Contains black and white illustrations and plates. Clean pages, plates and illustrations with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pen markings to front pastedown and free endpaper. Hinges are slightly cracked with exposed netting. Binding is slightly loose. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Gilt lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Moderate splits to spine ends and corners causing cloth to be frayed. Visible wear marks to boards.