Unbreakable Alliances: A Spy Recruiter's Authoritative Guide to Cultivating Powerful and Lasting Connections

It's Not All About Me, Revised and Updated Edition: The Top Ten Techniques for Building Quick Rapport with Anyone

The Code of Trust: An American Counterintelligence Expert's Five Rules to Lead and Succeed

Sizing People Up: A Veteran FBI Agent's User Manual for Behavior Prediction