| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| If You Find a Rock | Paperback | 978-0-15-206354-2 | 2008 |
| If You Find a Rock | Unknown Binding | 978-1-4178-2905-7 | 2008 |
| If You Find a Rock | Hardcover | 978-0-15-239339-7 | 2000 |
| The Bookstore Mouse | Paperback | 978-0-15-204564-7 | 2002 |