Kupperberg, Paul  <br/><br/>
Superman : the shadow masters 

 - London  Raintree  2011 
 - 55p. ; 20 cm. 
<br/><br/><label>ISBN: </label>9781406225266 
<br/><br/><label>Subjects--Index Terms: </label>Science fiction Superman (Fictitious character)  Juvenile fiction  Superheroes  Children collection  
<br/><br/><label>Dewey Class. No.: </label>813.6  / SUP.S