Etram Pty Ltd · Various small imprints
| title | ISBN-13 | year of publication |
|---|---|---|
| A WORM'S EYE VIEW: THE HISTORY OF THE WORLD | 978-0-646-41588-8 | 2007 |
| Water...the Amazing Journey | 978-0-9581878-1-7 | 2004 |
| Where Does the Poo Go? | 978-0-9581878-0-0 | 2003 |
| World Wide Waste: It's Not a Load of Rubbish | 978-0-9581878-2-4 | 2007 |