| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| If I Had a Dragon | Paperback | 978-1-4169-2637-5 | 2007 | |
| If I Had a Dragon | Hardcover | 978-1-4169-0924-8 | 2006 | |
| If I Had a Dragon / Si Yo Tuviera Un Dragon | Paperback | 978-1-933032-17-7 | 2006 | Tom Ellery |
| If I Were a Jungle Animal | Hardcover | 978-1-4169-3778-4 | 2009 | |