Dixon, Franklin W. <br/><br/>
Footprints under the window / 
by Franklin W. Dixon. 
 - New York :  Grosset & Dunlap,  1965. 
 - 177 p. :  ill. ;  20 cm. 
 - His Hardy boys mystery stories .
<br/><br/><label>ISBN: </label>0448089122 
<br/><br/><label>LCCN: </label>65018450  
<br/><br/><label>LC Class. No.: </label>PZ7.D644  / Fr3