Dixon, Franklin W. <br/><br/>
The secret warning / 
Franklin W. Dixon 
 - 176 pages ;  20 cm 
 - Hardy boys mystery stories ; #17 .
 - Hardy boys mystery stories ; #17. .
<br/><br/> Frank and Joe investigate the legend of Whalebone Island when they receive a warning concerning a sunken freighter. 
<br/><br/> Primary 
<br/><br/><label>ISBN: </label>0448089173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories<br/>Hardy Boys (Fictitious characters)--Fiction
<br/><br/><label>Dewey Class. No.: </label>Fic.