Size / / /

P. D. Smith is the author of four non-fiction books, the most recent being City: A Guidebook for the Urban Age, and is currently writing his fifth, on crime, detectives, and the city. He reviews regularly for the Guardian, blogs (irregularly) on his website and spends too much time on Twitter @PD_Smith. He is also an Honorary Research Associate in UCL's Department of Science and Technology Studies.