| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-0-9707267-0-4 | Mary Hubley | Brad and Emily's Treasure Adventure |
| 2002 | 978-0-9707267-1-1 | Dan Hubley ยท Mary Hubley | Kids Collect: Amazing Collections for Fun, Crafts, and Science Fair Projects |
| 2005 | 978-0-9707267-8-0 | Mary Hubley | Jump Start Your Writing |