Every novelist that engages the subject of horse racing is facing an odds-on favorite in Dick Francis. The all-time master, Francis effectively conjured racetrack heroes within the friendly confines of his umpteen mystery novels. With his passing, son Felix continues the family trade by employing the same tried-and-true formula. Francis always presented the reader with protagonists like a chef with high culinary morals or a noble former jump jockey-turned-P.I. or a smart-looking specialist in kidnapping who moonlights as a philosopher-psychologist. The author had us at "Hullo, how are you?" In...