As Samantha and her friends prepare for a charity horse race, they're very excited. Sam is riding Ace, and her race partner, Jake, plans to train a pinto filly running free on reservation lands. But the wild pinto has other plans. When the filly escapes and runs off with the Phantom, Sam is torn. If she helps Jake, she's taking the filly away from the Phantom. Will she betray her friend or her wild horse?

Terri Farley​ is the best-selling author of books about the contemporary and historic West. Her most recent book ​Wild at Heart: Mustangs and the Young People Fighting to Save Them​ (Houghton Mifflin Harcourt) is a Junior Library Guild selection; winner of the Sterling North Heritage award for Excellence in Children's Literature; and has been honored by Western Writers of America, National Science Teachers Association, and American Association for the Advancement of Science. She is a recent inductee into the Nevada Writers Hall of Fame. Her ​Phantom Stallion​ (HarperCollins) series for young readers has sold over two million copies worldwide.