"Franklin W. Dixon","Franklin W Dixon","NA" <br/><br/>
Mark on the Door 

 -  London : Armada, 1974, c1964.,Armada Bks.  1990 
 - 158 
<br/><br/><label>ISBN: </label>9780006922087 
<br/><br/><label>Dewey Class. No.: </label>F823  / 2458