The Phantom of the Orchestra (Thea Stilton #29)

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!

Violet has been chosen to play in the orchestra for a production of Romeo and Juliet in London! The mouselets begin to notice strange things happening during rehearsals. Someone is trying to sabotage the production. Can the Sisters uncover the phantom before the show is ruined?