Dixon, Franklin W. <br/><br/>
The secret warning / 
by Franklin W. Dixon 
 - New York,  Grosset & Dunlap  [1959] 
 - 176p.  illus.  20 cm. 
 - The Hardy boys ; 17 .
<br/><br/><label>LCCN: </label>59002529  
<br/><br/><label>LC Class. No.: </label>PZ7.D644  / To