| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Pirate Treasure | 978-1-59961-158-7 (1-59961-158-9) | 2007 | Justin Spelvin · Matthew Stoddart |
| Secret Agents | 978-1-59961-161-7 (1-59961-161-9) | 2007 | Wendy Wax · Zina Saunders |
| The Polka Palace Party: An Adventure in Teamwork | 978-1-59961-251-5 (1-59961-251-8) | 2007 | Erica David · Warner McGee |