Goosebumps Book 24 Phantom Of The Auditorium

Brooke's best friend, Zeke, has been given the lead role in the school play, The Phantom. Zeke's totally into it. He loves dressing up in the gorgeous Phantom costume and scaring the other members of the cast. Brook thinks Zeke's getting a little too into it but then the really scary things start happening. A message appears on a piece of scenery 'The Phantom strikes' and a stage light comes crashing down. Is someone really trying to ruin the play?