DOUBLE DANGER Beautiful young Rosalia Cade was far from home - and close to horror. She had accompanied ailing Odalie Kingman from the Cade ranch in northern California to the fortresslike Kingman mansion in violent 19th-century Los Angeles. Now she learned that she had been lured into a trap of perverse passion. Two brothers - twins in appearance, opposites in nature - lusted for her. Each aroused in her a feeling that she feared yet could not control. And whichever one of her rival suitors claimed her at the altar, the other would not let her go - until death or a fate even worse did them part... or else damned them together....