| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Focus Like a Laser Beam: 10 Ways to Do What Matters Most | 978-0-7879-8481-6 (0-7879-8481-7) | 2006 |
| Two Weeks to a Breakthrough: How to Zoom Toward Your Goal in 14 Days or Less | 978-0-7879-8482-3 (0-7879-8482-5) | 2007 |