Pick this book up at dawn and you won't be able to put it down until dusk. --GeographicalInsightful writing --National Geographic Traveller Biografía del autor Tom Harper is Lead Curator of Antiquarian Maps at the British Library. His publications include the British Library exhibition catalogue Maps and the 20th Century: Drawing the Line, and A History of the Twentieth Century in 100 Maps, which he co-authored in 2014.