"Violet and her band have made it to BandChamps! Armed with their own songs, they're competing alongside their school rivals The Alphas for glory. But wait! Strange goings-on are afoot at the Royal Theatre, where it's rumoured a grumpy ghost ballerina haunts the stage. Can Violet and her friends solve the mystery of the angry ghost? And how can they possibly win when they're all feeling so spooked? It's going to take courage, detective work and a lot of creative thinking: have they got what it takes?"--Back cover.