Gregory Hartley's expertise as an interrogator earned him honors with the United States Army. More recently, businesses, private investigators, attorneys, human resources professionals, and the media have relied on Greg's knowledge of human behavior and body language. Greg is the author of seven books. He resides near Atlanta, Georgia.Maryann Karinch is the author of 18 books, including The Body Language Handbook, I Can Read You Like a Book, and Get Them to Do What You Want (all with Gregory Hartley), and founder of The Rudy Agency, a literary agency based in Estes Park, Colorado.