First published in Great Britain in 2011 by
The Policy Press
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ISBN 978 1 44730 029 8 [e-pub]
ISBN 978 1 4473 0031 1 [Kindle]
The right of Daniel Dorling to be identified as author of this work has been asserted by him in accordance with the 1988 Copyright, Designs and Patents Act.
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Front cover: photograph kindly supplied by www.istock.com