The Phantom of the Theater

The famous opera singer Violetta von Cacklefur arrives in Gloomeria to perform at the Royal Mousetropolitan Theater, but a mischievous phantom with an old grudge against her threatens the production. Creepella von Cacklefur, a special-effects designer and aspiring journalist, along with Geronimo, must track down the phantom to save the show. This is the eighth book in the Geronimo Stilton series, written for middle grade readers.