The Whistle, the Grave, and the Ghost

Lewis Barnavelt is back and this time he has stumbled upon something more powerful than even his imagination can dream up. A camping trip with his Scout troop leads Lewis straight to an old grave and a mysterious, magical whistle. When Lewis discovers that this whistle has the power to stop the boys who insist upon bullying him, he is left with a tough decision. Does he continue to use the whistle, which he suspects might not be fully safe? Is Lewis strong enough to face the potent spirit that h