Dixon, Franklin W. <br/><br/>
The secret of the caves / 
by Franklin W. Dixon. 
 - New York :  Grosset & Dunlap,  2000. 
 - 175 p. :  ill ;  20 cm. 
 - Hardy boys 7 .
 - The Hardy boys 7 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective--Fiction.