| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Prepare to Be a Millionaire | 978-0-7573-0714-0 (0-7573-0714-0) | 2008 | Tom Spinks · Lindsay Spinks-Shepherd |
| Prepare to Be a Teen Millionaire | 978-1-4352-5649-1 (1-4352-5649-2) | 2008 | Robyn Collins |