Networks: An Introduction ; Networks, Crowds, and Markets: Reasoning About a Highly Connected World Networks: An Introduction , M. E.J. Newman Oxford U. Press, New York, 2010. $85.00 (720 pp.). ISBN 978-0-19-920665-0 Networks, Crowds, and Markets: Reasoning About a Highly Connected World , David Easley and Jon Kleinberg Cambridge U. Press, New York, 2010. $50.00 (727 pp.). ISBN 978-0-521-19533-1