Jon Ronson, an award-winning writer and documentary maker, the author of two previous bestsellers, Them: Adventures with Extremists and The Men Who Stare at Goats, and two collections, Out of the Ordinary: True Tales of Everyday Craziness and What I Do: More True Tales of Everyday Craziness. His latest book -- also a Sunday Times top ten bestseller -- is The Psychopath Test. Jon Ronson lives with his family in London.