The Magic school bus inside Ralphie :
Cole, Joanna
The Magic school bus inside Ralphie : a book about germs / Joanna Cole; Bruce Degen. - New York : Scholastic, 1995. - (unpaged) : col. ill. ; 20 cm.
0590400258
Infection--Juvenile fiction
Natural immunity--Juvenile fiction
The Magic school bus inside Ralphie : a book about germs / Joanna Cole; Bruce Degen. - New York : Scholastic, 1995. - (unpaged) : col. ill. ; 20 cm.
0590400258
Infection--Juvenile fiction
Natural immunity--Juvenile fiction