Whistle, the Grave and the Ghost - The House With a Clock in Its Walls 10

A camping trip with his Scout troop leads Lewis straight to a strange, old grave and a mysterious, magical silver whistle. When Lewis discovers that this whistle has the power to stop the boys in his Scout troop bullying him, he is overcome with relief - finally he can enjoy being part of the Scouts. What Lewis doesn''t know is that the whistle also has a more sinister power: it summons a power...