Hansen, Grace, <br/><br/>
Immune system / 
by Grace Hansen. 
 - 24 pages :  color illustrations ;  24 x 29 cm. 
 - Beginning science. Body systems .
<br/><br/> Includes index. 
<br/><br/> An introduction to the human immune system. 
<br/><br/> 3.6  K-3  710L  Lexile 
<br/><br/><label>ISBN: </label>9781532181863 1532181868 
<br/><br/><label>LCCN: </label>2018945734 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Immune system--Juvenile literature.<br/>Immune system.
<br/><br/><label>Dewey Class. No.: </label>616.07 HAN