Dixon, Franklin W. <br/><br/>
The secret of the lost tunnel / 
Franklin W. Dixon 
 - London :  Armada ,  ©1968,  1990. 
 - 153 pages ; 7 unnumbered pages :  18 cm 
 - The Hardy Boys® Mystery Stories  54 .
<br/><br/><label>ISBN: </label>9780006928379 (paperback) 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Youth Fiction<br/>Boys Stories<br/>Adventure Stories<br/>Detective and mystery fiction
<br/><br/><label>Dewey Class. No.: </label>ETF DIXO