| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Bad News! I'm in Charge! | Hardcover | 978-0-7636-2072-1 (0-7636-2072-6) | 2003 |
| When Martha's Away | " | 978-0-7636-5135-0 (0-7636-5135-4) | 2010 |
| When Martha's Away | Paperback | 978-1-4063-2960-5 (1-4063-2960-6) | 2010 |