Jenny and Amy are best friends with each other, and with their horses, Kat and Felix. Soon a new girl arrives--small and shy, and tough as leather. She readily adopts the nickname, Ponyshoes, that snooty Laura tries to taunt her with. Through the summer, Ponyshoes and her new friends ride in horse shows, clear the highest jumps, and win more than their share of ribbons. And when they're not riding, they help rescue sick horses, catch the eye of a...