| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| GEORGE WASHINGTON CARVER 3.2.10 HOUGHTON MIFFLINE ONLINE LEVELED BOOKS) | 978-0-547-01786-0 (0-547-01786-3) | 2007 |
| JOYS PLANET PATROL PLAN 3.4.16 | 978-0-547-01830-0 (0-547-01830-4) | 2007 |
| URSUS, THE TRAVELING BEAR 3.5.23 | 978-0-547-01860-7 (0-547-01860-6) | 2007 |