Willie and his best friend, Kyle, who has moved to Ohio, start a detective agency, and their first case is to spy on the girl who has moved into Kyle's old house.
- ISBN10 0440411076
- ISBN13 9780440411079
- Publish Date 1 January 1996 (first published 31 December 1993)
- Publish Status Active
- Publish Country US
- Imprint Bantam Doubleday Dell Publishing Group
- Format Paperback
- Pages 80
- Language English