NorthWord Books for Young Readers
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Guinea Pig Scientists: Bold Self-Experimenters in Science and Medicine | 978-0-8050-7316-4 (0-8050-7316-7) | 2005 | Mel Boring |
| Tracks, Scats and Signs | 978-1-55971-599-7 (1-55971-599-5) | 1996 | |