(1904-73) a British writer who NOVEL s and other books about the British ARISTOCRACY . Her best-known NOVELs are The Pursuit of Love and Love in a Cold Climate . She and her sisters were known as the Mitford girls, and they belonged to a well-known English UPPER-CLASS family. Two of the sisters, Diana and Unity, became involved in RIGHT-WING politics. They greatly admired Adolf Hitler, and Diana married the British FASCIST leader Oswald MOSLEY .