| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Like Switch: An Ex-FBI Agent's Guide to Influencing, Attracting, and Winning People Over | 978-1-4767-5448-2 (1-4767-5448-9) | 2015 | Jack Schafer PhD |
| What Every Body Is Saying: An Ex-FBI Agent's Guide To Speed-Reading People | 978-986-6526-19-0 (986-6526-19-4) | 2009 | Joe Navarro |
D.K · D. M. · M. K. · P.K. · P.M. · Ph.D.