| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9774887-0-4 | Robert Helms · Russell Gray | Equity Happens: Building Lifelong Wealth with Real Estate |
| 2004 | 978-0-9774887-1-1 | Robert Helms · Russell Gray | Real Equity - Building the Wealth You Need to Live the Lifestyle You Want |