Pamela Walker Laird. Pull: Networking and Success since Benjamin Franklin. Cambridge, Mass.: Harvard University Press, 2006. xiv + 439 pp. ISBN 0-674-01907-5, $29.95 (paper).

Success is as much about whom you know as it is about what youknow and how you perform. Networks, mentors, and role modelsplay pivotal roles in corporate climbing and entrepreneurship.Although the business lexicon only recently incorporated theseterms into its vocabulary, Pamela Laird convincingly arguesthat these forms of social capital, which she calls pull, havealways helped determine success. Moreover, because they existprimarily among individuals who see each other as belongingto the same cohort, success