A #1 bestseller in Britain, this passionate yet compellingly realistic novel is Trollope's most commercial to date. After a lifetime of not measuring up to her perfect twin sister, Lizzie, Frances decides to start playing by different rules. She takes a married lover, a Spanish Catholic who will never leave his wife, and--much to everyone's surprise--becomes the envy of Lizzie. 336 pp. Author tour. Print ads. 30,000 print.