E. G. ?? · E. Works · Earth Works Group (U. S.) · W G
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 50 Simple Things Kids Can Do to Save the Earth | 978-0-590-44249-7 (0-590-44249-X) | 1991 | |
| The Student Environmental Action Guide: 25 Simple Things We Can Do | 978-0-06-500432-8 (0-06-500432-9) | 1997 | HarperCollins |