1930. Sixth Edition. 288 pages. No dust jacket. Purple cloth. Contains black and white plates throughout. Ex-libris plate stuck to front pastedown. Pages are moderately tanned and foxed throughout. Pencil inscription to front free endpaper. Thumb-marking present. Noticeable creasing to gutter. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Visible crushing to spine ends. Noticeable sunning to spine and edges. Small splits to spine ends. Small marks to boards.