Book excerpt: Everyone remembers these equine stars, but Linda Hanna's research provides new and previously unpublished information. Through exclusive interviews with owners, trainers, jockeys, equine veterinarians, pedigree specialists and racing officials, she carries fans to another level of knowledge and appreciation. In Barbaro, Smarty Jones and Ruffian: The People's Horses, she brings a new perspective to the private and public lives of these three horses. Book jacket.