Dixon, Franklin W. <br/><br/>
Mystery of the Flying Express / 
by Franklin W. Dixon 
 - New York :  Grosset & Dunlap ,  ©1970. 
 - 177 pages :  19 cm 
 - The Hardy Boys® Mystery Stories  20 .
<br/><br/><label>ISBN: </label>0448189208 (hardback) 0448089203 (hardback) 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Youth Fiction<br/>Boys Stories<br/>Detective and mystery fiction<br/>Adventure Stories
<br/><br/><label>Dewey Class. No.: </label>ETF DIXO