| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Horizontes , Reading Assistant CD-ROM | 978-0-470-00426-5 (0-470-00426-6) | 2002 |
| The Everything Intermediate Spanish Book: Take Your Spanish Speaking, Writing, and Reading Skills to the Next Level | 978-1-59869-256-3 (1-59869-256-9) | 2007 |