The local radio station is putting on the Great Detective Race, where contestants must solve riddles and search all over Greenfield for clues leading to the grand prize. The Aldens sign up, and soon they're following the riddles' clues all over town.
| ISBN: | 9780807555736 |
| Publication date: | 1st January 2008 |
| Author: | Gertrude Chandler Warner |
| Illustrator: | Robert Papp |
| Publisher: | Albert Whitman & Company |
| Format: | Hardback |
| Pagination: | 106 pages |
| Genres: |
Crime & Mystery |