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Hardy Boys 15: The Sinister Signpost

By Franklin W. Dixon

Release : 1936-09-01

Genre : Mysteries for Kids, Books, Kids, Fiction for Kids, Young Adult, Fiction for Young Adults, Family & Relationships in Young Adult Fiction, Mysteries for Young Adults, Action & Adventure Fiction for Young Adults

Kind : ebook

4.5 (0 ratings)
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.

Hardy Boys 15: The Sinister Signpost

By Franklin W. Dixon

Release : 1936-09-01

Genre : Mysteries for Kids, Books, Kids, Fiction for Kids, Young Adult, Fiction for Young Adults, Family & Relationships in Young Adult Fiction, Mysteries for Young Adults, Action & Adventure Fiction for Young Adults

Kind : ebook

4.5 (0 ratings)
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.

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Hardy Boys 31: The Secret of Wildcat Swamp

Hardy Boys 29: The Secret of the Lost Tunnel

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Hardy Boys 26: The Phantom Freighter

Hardy Boys 56: The Jungle Pyramid

Hardy Boys 49: The Bombay Boomerang

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