D.C. · D. Leonard · L. C. · Leonard Coldwell
21st Century Press · Oasis Audio
| title | ISBN-13 | year of publication |
|---|---|---|
| The Only Answer to Cancer | 978-1-59859-796-7 | 2011 |
| The Only Answer to Cancer: Defeating the Root Cause of All Disease | 978-0-9824428-7-6 | 2009 |
| The Only Answer to Stress, Anxiety and Depression | 978-1-59859-860-5 | 2011 |
| The Only Answer to Stress, Anxiety and Depression: The Root Cause of all Disease | 978-0-9827616-0-1 | 2012 |
| The Only Answer to Success: You were born to be a Champion | 978-0-9824428-6-9 | 2012 |
| The Only Answer to Success: You Were Born to be a Champion | 978-1-59859-861-2 | 2011 |