Dixon, Franklin W. <br/><br/>
The secret of the caves / 
by Franklin W. Dixon. 
 - New York :  Grosset & Dunlap,  1964. 
 - 175 p. :  ill. ;  20 cm. 
 - Hardy boys mystery stories ;  7 .
<br/><br/> Frank and Joe solve a mystery involving the disappearance of a professor, a hot-tempered hermit, sabotage at the station, and the Honeycomb Caves. 
<br/><br/> 3-6  5 
<br/><br/>
<br/><br/><label>ISBN: </label>0448089076 
<br/><br/><label>LCCN: </label>66008426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.
<br/><br/><label>LC Class. No.: </label>PZ7  / .D644Scs7 
<br/><br/><label>Dewey Class. No.: </label>[Fic]