Murder To Music — Rick Harrow, a British racehorse trainer, and his Kentucky-born wife, Happy, are thrilled when twin opera stars, Fran and Carla Purcell, enter their yard. Shortly after the twins buy horses, Carla is murdered. Three more famous artists in the music world are murdered, as Happy hones her skills as a sleuth to find the serial killer, her quest taking her to Australia, Scotland and Monaco. Murder In Marriage — Rick Harrow, now the father of three, and his wife, Happy, become embroiled in a double death, which the police cannot decide is a suicide/murder, or what? While working as a horse trainer and buyer in Miami, Rick had strayed from the marital bed while Happy gave birth to their third child. Rick has had a scorching affair with Lois Blair, a wanton wife from the central-Florida town of Sunblair. On Christmas morning, Lois's step-son arrives at the Harrow's rented Miami cottage, and accuses Rick of having murdered his father. Had Rick killed the Senior Blair, an eminent attorney and scion of the founders of Sunblair? Had he murdered Lois as a cover-up? Happy travels to the central-Florida horse country, to Disney World, and into a swamp area to do her sleuthing. Murdered Mothers — Rick Harrow, who has come up in the world of valuable racehorses thanks to winning races, particularly one in Tokyo with his Kentucky-born wife Happy in the saddle, suffers through an excruciating experience in Miami before being thrust into the throes of a horrific series of murders in Kentucky. There, in what was the peaceful town of Honeyville, the Harrows are caught up in four murders by a serial killer who targets nursing mothers. Meanwhile, they attend the equine Olympic events in Hong Kong, travel to Dubai, where again a femme fatale enters their lives in the shape of Mafalda, an Egyptian seductress who veers from international playgirl to Muslim Fundamentalist.