Maryann Karinch has conducted seminars in body language and lie detection for the International Spy Museum, U.S. Department of Homeland Security, George Mason University, and the Colorado Association of Code Enforcement Officials, among other government and private sector institutions. She is the author of 20 books, most of which focus on human behavior, including How to Spot a Liar, I Can Read You Like a Book, and The Body Language Handbook. In recognition of her work as a dedicated explorer of the psyche and mind-body interaction, The Explorers Club elected her to membership in 2010. She resides in Estes Park, Colorado.E. Peter Earnest is a former Senior CIA National Clandestine Service Officer and Executive Director of the International Spy Museum.