In the third installment in the Horses and Friends series, thirteen-year-old Kate Ferris already has one problem. Snooty, well-to-do Melissa is boarding her horse at Kate's family stable. When Melissa suddenly turns nice, Kate is shocked ... and suspicious. The last thing she needs is more trouble. So when a hooded rider appears--and then disappears--on a stunning black horse outside her home, Kate isn't sure if Melissa is playing a...