Age
8-12
Grade
3-7
Franklin W. Dixon
The Sinister Signpost
Hardcover
(Grosset & Dunlap Sept. 1, 1936)
, Revised ed. edition
In one of the most dangerous and intriguing cases of their careers, Frank and Joe Hardy help their father investigate a series of mysterious car accidents. Each of the drivers had seen a signpost marked DANGER shortly before his accident. The young detectives investigate, only to discover that the signposts have vanished. The attempted theft of a secret experimental motor and the kidnapping of a famous race horse are part of this thrilling case, which proves to be as sinister as the signposts themselves.
- Series
- The Hardy Boys (Book 15)
- ISBN
- 0448089157 / 9780448089157
- Pages
- 192
- Weight
- 7.2 oz.
- Dimensions
- 5.0 x 0.7
in.