Junior high detective Sammy Keyes and her friends take a detour through a graveyard on Halloween night and find themselves in the middle of a mystery involving missing people, human skulls, and a ghoulish embalmer, while school presents its own set of tricks and treats.
- ISBN10 0375961089
- ISBN13 9780375961083
- Publish Date 11 October 2011 (first published 1 January 2011)
- Publish Status Remaindered
- Out of Print 5 January 2017
- Publish Country US
- Imprint Alfred A. Knopf Books for Young Readers
- Format Hardcover (Library Binding)
- Pages 304
- Language English