Simon, Seymour <br/><br/>
The Heart  :  our circulatory system / 
Seymour Simon 
 - New York :  Scholastic, Inc.,  c1996 
 - unnumbered pagings :  illustrations ;  26 cm. 
<br/><br/><label>ISBN: </label>0590121200 
<br/><br/><label>Dewey Class. No.: </label>CIR 612.17 Si594 1996