- Author: Lionel Sosa Napoleon Hill Foundation
- Language: Spanish
- Year: 2008
- Author: Napoleon Hill Foundation., Reid Greg S., Lechter Sharon L., Miller Dan John
- Language: English
- Year: 2011
- Author: Napoleon Hill Foundation., Hill Napoleon
- Language: English
- Year: 2017
- Author: Entrepreneur Media Inc., Napoleon Hill Foundation, Hill Napoleon
- Language: English
- Year: 2019
- Author: Greg S. Reid The Napoleon Hill Foundation
- Language: English
- Year: 2013