A circus wish - Sue Bentley

Flame the magical kitten must hide in the human world to escape his evil uncle but he can't stay in any place for too long. In every Magic Kitten story, he takes on a new guise and seeks out a child who is in need of his very special help. Sadie is so excited to be attending the local circus youth group; she seems to have a real talent for acrobatics. Sadie's best friend Jenny isn't quite as good as Sadie and becomes jealous and mean. Sadie really doesn't know what to do until she finds Flame, a lonely but magical coal-black kitten...