Dixon, Franklin W. <br/><br/>
The missing chums 
/ Franklin W. Dixon 
 - New York  : Grosset & Dunlap  , c1971. 
 - 181 p.  : ill. 
 - Hardy Boys mystery stories  ; 4 .
<br/><br/><label>ISBN: </label>9780448089041 
<br/><br/><label>Dewey Class. No.: </label>JUV FIC DIX