Jack Schafer

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Books by Jack Schafer

The Truth Detector: An Ex-FBI Agent's Guide for Getting People to Reveal the TruthMarvin Karlins
4.1
The Like Switch: An Ex-FBI Agent's Guide to Influencing, Attracting, and Winning People OverMarvin Karlins
4.4

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

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