Dixon, Franklin W. <br/><br/>
The secret of Pirates' Hill, 
by Franklin W. Dixon 
 - New York :  Grosset & Dunlap,  c1972 
 - 178 p.  ill. ;  20 cm. 
 - His Hardy boys mystery stories, 36 .
 - Dixon, Franklin W.  Hardy boys mystery stories ;  36 .
<br/><br/> Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures. 
<br/><br/><label>ISBN: </label>044808936X 
<br/><br/><label>LCCN: </label>72077108 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hardy boys (Fictitious characters)--Fiction<br/>Mystery and detective stories<br/>Detective and mystery stories, American
<br/><br/><label>Index Terms--Genre/Form: </label><br/>English fiction, American
<br/><br/><label>LC Class. No.: </label>PS3537.T817   / .S437 1972