Johnson, Rebecca L. <br/><br/>
Daring cell defenders / 
Rebecca L. Johnson 
 - London  Lerner Books  2009 
 - 48 p.  col. ill.  22 cm. 
<br/><br/><label>ISBN: </label>9781580135054 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Immunity--Juvenile Literature