When his project blows up and ruins the science fair, Henry Gallagher asks fourth-grade detective Jon Gummyshoes to investigate an obvious case of sabotage, but this mystery is complicated by school politics.
- ISBN10 1624015719
- ISBN13 9781624015717
- Publish Date 1 September 2013 (first published 1 January 2013)
- Publish Status Active
- Publish Country US
- Imprint Calico
- Format eBook
- Language English