The famous opera singer Violetta von Cacklefur is in Gloomeria to perform at the Royal Mosetropolitan Theater! But the mischievous phantom of the theater has an old grudge against her. It's up to Creepella and Geronimo to track him down in the theater's spooky basement ... before the curtains rise and he ruins the show! -- Back cover.
Geronimo Stilton is the publisher of The Rodent's Gazette, Mouse Island's most famouse newspaper. In his spare time, Mr. Stilton enjoys collecting antique cheese rinds, playing golf, and telling stories to his nephew Benjamin. He lives in New Mouse City, Mouse Island. Visit Geronimo online at www.scholastic.com/geronimostilton.