Cole, Joanna <br/><br/>
Inside Ralphie :  a book about germs / 
Joanna Cole 
 - New York :  Scholastic Inc.,  c1995. 
 - (unpaged) :  col. ill. ;  21 cm. 
 - The magic school bus. .
<br/><br/><label>ISBN: </label>0590400258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Infection. Natural immunity.--Juvenile literature.