After their amazing first competition, 12-year-old Harper is loving life in her new group, the DanceStarz. But now, Harper has landed a part in her school musical - and not everyone is as thrilled about it as she is. The DanceStarz are worried Harper will be distracted so close to their next event. The girls have to win - especially as they're facing their arch-rivals, the Belles. Can Harper figure out how to find her balance and shine before she loses it all? The Callback , written in collaboration with Jula DeVillers, is the glittering sequel to dancer and international superstar Maddie Ziegler's debut novel, The Audition .