1925. Third Edition. 264 pages. Brown dust-jacket over blue cloth. Pages remain bright and clear with minimal tanning and foxing. Binding is shaky, however pages remain fully attached. Bookplate to front endpaper & pastedown. Some pages are dog-earred. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Spine has crushing to both ends. Book has forward lean. Unclipped jacket has moderate edgewear with chips, tears and creasing. Pen marking to front. Dirt marking all over.