The Hardy Boys' Mysteries #15: The Sinister Sign Post
In one of the most dangerous and intriguing cases of their careers, Frank and Joe Hardy, along with their father, investigate a series of mysterious car accidents. Each driver had seen a signpost marked with the word DANGER before their accidents. The young detectives soon realize that the signposts have mysteriously vanished. This thrilling case involves the attempted theft of a secret experimental motor and the kidnapping of a famous race horse, making it just as sinister as the signposts themselves.
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In one of the most dangerous and fascinating cases of their lives, Frank and Joe Hardy assist their father in examining a sequence of puzzling car accidents. Each driver had spotted a signpost labeled DANGER just before their accident. The Hardy boys take it upon themselves to investigate, only to find that the signposts have mysteriously disappeared. This captivating case becomes even more thrilling with the attempted theft of a top-secret experimental motor and the abduction of a renowned race horse. As they delve deeper, the Hardy brothers soon realize that this case is as eerie as the missing signposts themselves.
Information
Grade: Grade 3-Grade 7
Brand: Grosset & Dunlap
Publisher Date: 09/01/1936
Author: Franklin W. Dixon
Dimensions: 7.73 x 5.09 x 0.72
UPC: 9780448089157
Ages: 8-12
