| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Celebrate Earth Day at School: More Than 101 Ways to Celebrate Earth Day | 978-0-9845860-1-1 (0-9845860-1-6) | 2011 |
| Green School 101: Your One-Stop Resource for Turning Any School Into a GREEN SCHOOL! | 978-0-9845860-0-4 (0-9845860-0-8) | 2011 |
| Recycle Michael: I'll Do My Part | 978-0-9845860-5-9 (0-9845860-5-9) | 2012 |