National Geographic Children's Books · Roaring Brook Press
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Alphabet Of Alphabets | Hardcover | 978-1-59643-212-3 | 2008 |
| Arctic Tale | Paperback | 978-1-4263-0106-3 | 2007 |
| Arctic Tale | Hardcover | 978-1-4263-0107-0 | 2007 |
| Palmers Gate | " | 978-1-59643-073-0 | 2006 |