| title | ISBN-13 | year of publication |
|---|---|---|
| It's Easy Being Green 5pk YS | 978-0-310-66609-7 | 2008 |
| It's Easy Being Green 10pk YS | 978-0-310-66610-3 | 2008 |
| It's Easy Being Green: One Student's Guide to Serving God and Saving the Planet | 978-0-310-27925-9 | 2008 |
| It's Easy Being Green, Revised and Expanded Edition: A Guide to Serving God and Saving the Planet | 978-0-310-73006-4 | 2012 |