Ophelia Benson is editor of www.butterfliesandwheels.com, deputy editor of The Philosophers' Magazine and co-author, with Jeremy Stangroom, of Why Truth Matters. She is also a frequest contributor to Free Inquiry. Jeremy Stangroom is co-editor, with Julian Baggini, of The Philosophers' Magazine and co-author of Do You Think What You Think You Think? (Granta, 2006), What Philosophers Think and Great Thinkers A-Z. He and Ophelia Benson are co-authors of Why Truth Matters and The Dictionary of Fashionable Nonsense.