Magic school bus inside Ralphie:a book about germs. Magic school bus inside Ralphie - New York : Scholastic Inc., c1995. - 1 v. (unpaged) : col. ill. ; 21 cm.

ISBN: 0590400258

LCCN: 94044655 /AC

Subjects--Topical Terms:
Infection--Juvenile literature.
Natural immunity--Juvenile literature.
Infection.
Immunity.

LC Class. No.: RC113 / .M24 1995

Dewey Class. No.: 616.07/9