Briggs International · Wirgo L.L.C.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Law of Success in Sixteen Lessons Enhanced MP3 CD-R | 978-0-9820053-1-6 (0-9820053-1-8) | 2008 | Napoleon Hill |
| The Secret: Wealth Edition: | 978-0-9820053-9-2 (0-9820053-9-3) | 2008 | Napoleon Hill & Wallace D. Wattles |
| Think and Grow Rich | 978-0-9741925-7-4 (0-9741925-7-0) | 2009 | Napoleon Hill |