James O. Pyle is a human intelligence training instructor who has served the US Army with his expertise at places such as the Defense Language Institute, the United States Army Intelligence Center and School, and the Joint Intelligence of the Pentagon. He resides in Springfield, Virginia.Maryann Karinch is the author or coauthor of 19 books, including The Body Language Handbook, I Can Read You Like a Book, and Get People to Do What You Want, and founder of The Rudy Agency, a literary agency based in Estes Park, Colorado.