Sam and his mother talk about germs, viruses, and bacteria, including how the body fights harmful germs and uses germs that are helpful.
- ISBN10 0763605034
- ISBN13 9780763605032
- Publish Date 6 January 1999
- Publish Status Out of Print
- Out of Print 4 June 2021
- Publish Country US
- Imprint Candlewick Press (MA)
- Format Hardcover
- Pages 32
- Language English