| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Nature With Children of All Ages | 978-0-13-611542-7 (0-13-611542-X) | 1990 |
| Nature with Children of All Ages: Activities and Adventures for Exploring, Learning and Enjoying the | 978-0-13-610436-0 (0-13-610436-3) | 1982 |
| Nature With Children of All Ages: Adventures for Exploring, Learning and Enjoying the World Around Us | 978-0-13-610444-5 (0-13-610444-4) | 1982 |