Jack Schafer

Auteur • 3 livres

The Truth Detector : An Ex-FBI Agent's Guide for Getting People to Reveal the Truth

Jack Schafer

book

The Truth Detector : An Ex-FBI Agent's Guide for Getting People to Reveal the Truth

Jack Schafer, Marvin Karlins

audiobook

The Like Switch: An Ex-FBI Agent's Guide to Influencing, Attracting, and Winning People Over

Jack Schafer, Marvin Karlins

audiobookbook

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