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PENGUIN BOOKS
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First published in the United States of
America by Viking Penguin, a member of Penguin Group (USA) LLC 2014
First
published in Great Britain by Allen Lane 2014
Copyright © Steven Pinker, 2014
Illustration credits
Page 52: MacNelly editorial, © Jeff MacNelly
– distributed by King Features
57:
CartoonStock
61: James Stevenson/The
New Yorker Collection/www.cartoonbank.com
79: Shoe ©
1993 Jeff MacNelly – distributed by King Features
202: Bizarro used with permission of Dan
Piraro, King Features Syndicate and the Cartoonist Group. All rights reserved.
256 and 260: Ryan North
284: © 2007 Harry Bliss. Used with
permission of Pippin Properties, Inc.
294: Copyright 2008 by Debbie Ridpath Ohi. Reprinted by permission of
Curtis Brown, Ltd.
297: William
Haefeli/The New Yorker Collection/www.cartoonbank.com
298: Zippy
the Pinhead © 1997 Griffith – distributed by King Features Syndicate, world rights
reserved
301: xkcd.com
Credits for certain illustrations appear adjacent to the
respective works.
Cover image by Kayla Varley
All rights reserved
The moral right of the author has been asserted
ISBN: 978-1-846-14551-3