The Science of Discworld IV

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    Epub ISBN 9781448147052
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    First published in 2013 by Ebury Press, an imprint of Ebury Publishing
A Random House Group company
    Copyright © Terry and Lyn Pratchett, Joat Enterprises, Jack Cohen 2013
Line drawings © Paul and Sandra Kidby 2013
Cover illustration by Paul Kidby
    Excerpt from ‘
Why I am an Atheist
’ by Ricky Gervais (copyright © Ricky Gervais 2010) is reproduced with the permission of United Agents ( www.unitedagents.co.uk ) on behalf of Ricky Gervais
    Terry Pratchett, Ian Stewart and Jack Cohen have asserted their right to be identified as the authors of this Work in accordance with the Copyright, Designs and Patents Act 1988
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    ISBN 9780091949792
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