| title | ISBN-13 | year of publication |
|---|---|---|
| Endangered Animals: Quickly Disappearing | 978-1-57302-095-4 | 1999 |
| Endangered Animals - Quickly Disappearing | 978-1-57302-020-6 | 1996 |
| Health - Taking Care of Ourselves | 978-1-57302-021-3 | 1996 |
| Recreation: What Do We Do to Have Fun? | 978-1-57302-093-0 | 1999 |
| Recreation - What Do We Do to Have Fun? | 978-1-57302-022-0 | 1996 |
| Women - New Roles in Society | 978-1-57302-011-4 | 1995 |