Dixon, Franklin W. <br/><br/>
Forever lost / 
Franklin W. Dixon. 
 - 153 p. ;  20 cm. 
 - Hardy boys undercover brothers ;  36 .
<br/><br/> "Book three of the 'Lost mystery trilogy'"--Cover p. [1]. 
<br/><br/> Frank Hardy escapes the underground bunker where he was kept with a group of kidnapped children who had disappeared while camping at Misty Falls State Park in Idaho, and Frank and Joe Hardy investigate the case. 
<br/><br/><label>ISBN: </label>9781442402645 (pbk.) 1442402644 (pbk.) 
<br/><br/><label>LCCN: </label>2010933168 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hardy Boys (Fictitious characters) -- Juvenile fiction.    <br/>Missing persons -- Juvenile fiction.  <br/>Hardy Boys (Fictitious characters) <br/>Missing persons.
<br/><br/><label>LC Class. No.: </label>MLCS 2012/42608 (P) 
<br/><br/><label>Dewey Class. No.: </label>/D643