| title | ISBN-13 | year of publication |
|---|---|---|
| Australia: Countries and Cultures for Young Explorers | 978-0-7424-0246-1 | 2001 |
| China: Countries and Cultures for Young Explorers | 978-0-7424-0241-6 | 2001 |
| Using the Standards - Number & Operations, Grade 1 | 978-0-7424-1811-0 | 2003 |
| Using the Standards - Number & Operations, Grade 2 | 978-0-7424-1812-7 | 2003 |