1950. Fourth Edition. 244 pages. Illustrated dustjacket over green cloth. Includes black & white plates. Pages remain bright and clear with minimal tanning and foxing. Pencil inscription to front endpaper. 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 light edgewear with tears and creasing. Jacket has moderate tanning. Spine is heavily tanned.