Editorial Portavoz · Marshall Pickering
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Glorious Food: From Fasting to Feasting - A Christian Guide | 978-0-551-02374-1 (0-551-02374-0) | 1992 |
| Going Green: A Christian Guide | 978-0-551-02283-6 (0-551-02283-3) | 1991 |
| Living With the Planet: Making a Difference in a Time of Climate Change | 978-0-8254-6251-1 (0-8254-6251-7) | 2009 |