| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Encyclopedia of Science and Invention | 978-1-56711-700-4 (1-56711-700-7) | 2001 |
| The Macmillan Visual Almanac | 978-0-02-861247-8 (0-02-861247-7) | 1996 |
| What on Earth Is an Echidna? | 978-1-56711-098-2 (1-56711-098-3) | 1995 |