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The Sinister Signpost
Average rating
4 out of 5
Based on 395 Ratings and 25 Reviews

Book Description
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 f... More
Book Information
PublisherHarperCollins Australia
BindingPaperback (21 editions)
Reading LevelUncategorized
# of Pages158
ISBN-100006910505
ISBN-13978-0006910503
Publication Date06/30/1975
Read the First Chapter of The Sinister Signpost for Free
The Creators
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About Franklin W. Dixon (Author) : Franklin W. Dixon is a published creator and an author of children's books. Some of the published credits of Franklin W. Dixon include Hardy Boys Detective Handbook, Hardy Boys #166: Past and Present ... more
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