1957. Revised Edition. 92 pages. Pictorial dust jacket over grey cloth. Black and white illustrations throughout. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Pencil inscription to front free endpaper. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends. Wear marks overall. Unclipped jacket has heavy edgewear with areas of loss, heavy tears, chips, and creasing. Light tanning to spine and edges. Wear marks and foxing overall.