1959. Eleventh edition. 98 pages. Pictorial dust jacket over brown cloth. Black and white photographs and illustrations. Colour frontispiece. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. A previous owner's name to front free endpaper. Boards have mild shelf wear with light rubbing and corner bumping. Some mild marking and tanning. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Some tape repairs.