I know how we fight germs
de Kate Rowan · Publicada por primera vez en 1999
Sam and his mother talk about germs, viruses, and bacteria, including how the body fights harmful germs and uses germs that are helpful.
de Kate Rowan · Publicada por primera vez en 1999
Sam and his mother talk about germs, viruses, and bacteria, including how the body fights harmful germs and uses germs that are helpful.
An Gúm · gle
Scholastic · inglés · ISBN 9780439207102
Walker Books · inglés · ISBN 9780744572223
Candlewick Press · inglés
Walker Books, Limited · inglés · ISBN 9780744562170
