Gregory Hartley Audio Books

Gregory Hartley is a senior corporate executive whose expertise as an interrogator earned him honors with the United States Army. Businesses, private investigators, attorneys, human resources professionals, and the media have relied on his knowledge of human behavior and body language.

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Extended Sample Get People to Do What You Want by Gregory Hartley
Extended Sample The Art of Body Talk by Gregory Hartley
Extended Sample I Can Read You Like A Book by Gregory Hartley
Extended Sample How to Spot a Liar by Gregory Hartley
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