| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Mad Cash: A First Timer's Guide to Investing $30 to $3000 | 978-0-399-52896-5 (0-399-52896-2)  | 2003 | Andrea Walker | 
| Teenvestor 6-Copy Counter Unit | 978-0-399-52767-8 (0-399-52767-2)  | 2002 | Andrew Kevin Walker · Andrea Walker | 
| Teenvestor: The Practical Investment Guide for Teens and their Parents | 978-0-399-52760-9 (0-399-52760-5)  | 2002 | Andrea Walker |