In the third book of the Keystone Stables series, perfect for girls who love horses and horse fiction, Skye faces a new challenge when a runaway girl becomes the newest foster child at the ranch--and soon becomes Skye's nemesis as well. Tanya Bell seems intent on making Skye's life miserable. Even though Skye's foster parents agreed to take Tanya in after she got caught shoplifting and ran away from home, the new girl seems...