A bird’s-eye view of Château Léoube, tucked away on a peninsula overlooking the Mediterranean. A new coffee-table book chronicles the revival of Château Léoube, a 14th-century Provence estate transformed over the last decade by British billionaire Anthony Bamford and his wife, Daylesford Organic founder Carole Bamford By Carolina de Armas Lord Anthony and Lady Carole Bamford are saying, “Mi casa es su casa”—but in French. Which casa, you ask? Not their 1,500-acre Daylesford House,...