| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 21 astounding science quizzes | 978-0-06-463550-9 (0-06-463550-3) | 1982 | |
| Squirrels at My Window: Life With a Remarkable Gang of Urban Squirrels | 978-1-55566-257-8 (1-55566-257-9) | 2000 | Nurit Karlin |