| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Money Mastery: 10 Principles That Will Change Your Financial Life Forever | 978-1-56414-610-6 (1-56414-610-3) | 2002 | Alan M. Williams · Peter R. Jeppson |
| Money: What Financial Experts Will Never Tell You | 978-0-9788766-0-9 (0-9788766-0-1) | 2006 | Alan Williams · Peter R. Jeppson |