| The World's Oceans | Green, Jen | |
| Oceans | Green, Jen | |
| Cities, Towns and Villages | Green, Jen | |
| Conservation | Green, Jen | |
| Cuba | Green, Jen | |
| Das große Handbuch der Dinosaurierforscher | Green, Jen | |
| Aztecs | Green, Jen | |
| A Saguaro Cactus | Green, Jen | |
| China | Green, Jen | |
| Countries of the World Vietnam | Green, Jen | |
| Ancient Celts | Green, Jen | |
| Ancient Celts | Green, Jen | |
| Coastlines Around the World | Green, Jen | |
| Big Cats and Wild Dogs | Green, Jen | |
| China | Green, Jen | |
| Day and Night | Green, Jen | |
| Reader, I Murdered Him (Original Crime Stories) | Green, Jen | |
| Arctic Ocean | Green, Jen | |
| Reducing Pollution and Waste | Green, Jen | |
| Sustaining Our Natural Resources | Green, Jen |