Hardy Boys - The Sinister Signpost (No 15)
The Hardy boys and their father solve a mystery involving inexplicable crashes of highspeed race cars being used to test an experimental turbine motor.Additional Information
| Author | Franklin W Dixon |
| No. of Pages | 175 |
| I.S.B.N | 0-448-08915-7 |
| Release Date | 30-11--0001 |
| In Shabdasneha since | 01-01-1970 |
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