Willis,  Jeanne,  <br/><br/>
Mark two/ 
Jeanne Willis 
 - London :   Andersen,   2002. 
 - 61 pages :   illustrations ;   20 cm. 
<br/><br/> Mark's popular reputation at school is threatened when his goody-goody Doppelgänger arrives on the scene. 
<br/><br/><label>ISBN: </label>9781842701102 
<br/><br/><label>Dewey Class. No.: </label>823  / WIL 2002