G.B. · George B · George J. Boelcke
Hushion House · Vantage Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Colorful Personalities - Discover your personality type through the power of Colors | 978-0-9736668-1-6 (0-9736668-1-1) | 2005 |
| Colorful Personalities: Discover Your Personality Type Through the Power of Colors: Discover Your Personality Type Through the Power of Colors | 978-0-9784570-1-3 (0-9784570-1-3) | 2009 |