Maria Konnikova is a Contributing Writer for The New Yorker online, where she writes a weekly blog on all things psychology. She is the author of the New York Times best-seller, "Mastermind: How to Think Like Sherlock Holmes," which was nominated for an Agatha Award for Best Non-fiction in 2013. Her book on the psychology of the con, "The Confidence Game," will be published by Viking in 2015.