John Bellairs's Lewis Barnavelt in The Whistle, the Grave, and the GhostBook - 2003
In the woods near his home in Michigan, thirteen-year-old Lewis Barnavelt stumbles upon an ancient grave and silver whistle that draw him, his best friend Rose Rita Pottinger, his uncle Jonathan, and their friend Mrs. Zimmermann into a battle with an ancient evil.
Publisher: New York : Dial Books for Young Readers, c2003.
Characteristics: 152 p. ;,23 cm.
Alternative Title: Whistle, the grave, and the ghost