| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-9581878-0-0 | Caren Trafford | Where Does the Poo Go? (Environmental Education-- Serious Fun) |
| 2004 | 978-0-9581878-1-7 | Caren Trafford | Water...the Amazing Journey (Environmental Education-- Serious Fun) |
| 2007 | 978-0-9581878-2-4 | '' | World Wide Waste: It's Not a Load of Rubbish |