I know how we fight germs / Rowan, Kate

ISBN13:

9780758728029

9780763605032

LCCN:

9819626

Compare Title:

iknowhowwefightgerms

Call Number:

616.07

I know how we fight germs

1998

Sam and his mother talk about germs, viruses, and bacteria, including how the body fights harmful germs and uses germs that are helpful.

1999

Sam and his mother talk about germs, viruses, and bacteria, including how the body fights harmful germs and uses germs that are helpful.