Candlewick · Houghton Mifflin · Walker Books Ltd
| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| How Many Elephants? | Hardcover | 978-0-7445-8556-8 | 2004 |
| How Many Elephants?: A Lift-the-Flap Counting Book | " | 978-0-7636-1583-3 | 2004 |
| Throw Your Tooth on the Roof: Tooth Traditions from Around the World | Paperback | 978-0-618-15238-4 | 2001 |
| Throw Your Tooth on the Roof: Tooth Traditions from Around the World | Hardcover | 978-0-395-89108-7 | 1998 |