Hardy Boys 15: the Sinister Signpost

Author/Contributor(s):	Dixon, Franklin W.
Publisher:	Grosset & Dunlap
Date:	9/1/1936
Binding:	Hardcover
Condition:	NEW

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.