Dixon, Franklin W. <br/><br/>
Footprints under the window / 
by Franklin W. Dixon. 
 - New York :  Grosset & Dunlap,  1992, c1965. 
 - 177 p. :  ill. ;  20 cm. 
 - Hardy boys mystery stories .
 - Dixon, Franklin W.  Hardy boys mystery stories. .
<br/><br/> Frank and Joe uncover a plot to steal a vital top-secret instrument of the space program. 
<br/><br/> 6.5  Follett Library Resources  5-8 
<br/><br/><label>ISBN: </label>0448089122 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.<br/>Mystery fiction.
<br/><br/><label>Dewey Class. No.: </label>[Fic]