The eighth gripping adventure in this exciting pony-club series. With international riding competitions to win, rivals to defeat, mysteries to solve and ponies in danger to save -- these books are perfect for all girls who love ponies. Issie has won a place in the National Junior Team and is selected to compete in the Young Rider Express Eventing Challenge in Australia! She's got the perfect horse, Victory, so this should be her chance to shine -- even if her new instructor is hard to impress. But Issie's faced with a nightmare room-mate and a secret in the stables that's proving hard to keep!