Why the world looks the way it does

 Our broadcast today features "North By Southwest", in which this week Nicolas Jackson explores the fascinating world of maps with Simon Garfield, author of "On The Map: Why the world looks the way it does". London-based writer and journalist Simon Garfield has written 15 books of non-fiction including "On The Map", "Just My Type" and "To The Letter". His study of the history of AIDS in Britain, "The End of Innocence", won the Somerset Maugham Prize, and his works have been translated into more than 20 languages. Here he discusses the beauty and meaning of maps. www.simongarfield.com