Dixon, Franklin W. <br/><br/>
The sinister signpost / 
by Franklin W. Dixon. 
 - New York :  Grosset,  1968,c1936. 
 - 175 p. :  ill. ;  20 cm. 
 - The Hardy boys mystery stories ;  15 .
<br/><br/> The Hardy boys and their father solve a mystery involving inexplicable crashes of highspeed race cars being used to test an experimental turbine motor. 
<br/><br/> 4-9.  4.  640  Lexile 
<br/><br/><label>ISBN: </label>0448089157 
<br/><br/><label>LCCN: </label>68015296 /AC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery fiction.
<br/><br/><label>Dewey Class. No.: </label>Fic