A master criminal known as The Chameleon threatens to disrupt a mystery contest being held in the public library, but J.G. and the other Watchdogs are on hand to investigate.
- ISBN10 0761450114
- ISBN13 9780761450115
- Publish Date 1 September 1997
- Publish Status Transferred
- Publish Country US
- Imprint Cavendish Square Publishing
- Format Hardcover (Library Binding)
- Pages 160
- Language English