The Sinister Signpost

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The Sinister Sign Post
Author Franklin W. Dixon
Country United States
Language English
Series The Hardy Boys
Genre(s) Detective, Mystery novel
Publisher Grosset & Dunlap
Publication date September 1, 1936
Media type Print (Hardback & Paperback)
Pages 192 pp
ISBN NA
Preceded by The Hidden Harbor Mystery
Followed by A Figure in Hiding

The Sinister Sign Post (later retitled The Sinister Signpost ) Volume 15 in the original The Hardy Boys book series published by Grosset & Dunlap.

[edit] Plot summary

[edit] Revised edition

The Hardy boys and their father solve a mystery involving inexplicable crashes of highspeed race cars being used to test an experimental turbine motor.