Franklin.W.Dixon <br/><br/>
The Hardy Boys:The Shattered Helmet 

 - 1973 
 - New York  Grosset &Dunlap 
 - 180 
<br/><br/><label>ISBN: </label>9780448089522 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Book
<br/><br/><label>Dewey Class. No.: </label>813.54