| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Companies don't succeed... people do!: The art of recognition | 978-1-880461-47-1 | 1998 | |
| The Essence of Leadership | 978-1-4041-0015-2 | 2005 | |
| The Nature of Success | 978-1-4041-0011-4 | 2003 | |
| The Power of Attitude | 978-1-4041-0016-9 | 2004 | |
| The Race: Life's Greatest Lesson | 978-0-446-53307-2 | 2004 | Dee Groberg |
| To a Child Love Is Spelled Time: What a Child Really Needs from You | 978-0-446-53308-9 | 2004 | Lance Wubbels |