Dixon, Franklin W. <br/><br/>
The arctic patrol mystery  Hardy Boys 05: 

 - New York  Grosset & Dunlap  1969 
 - 176 
 - (The Hardy Boys) .
<br/><br/><label>ISBN: </label>9780448089485 
<br/><br/><label>Dewey Class. No.: </label>823  / DIX