Crowdsourcing: Why the Power of the Crowd is Driving the Future of Business. Crown Business. Jeff Howe. 320 pages. Jeff Howe's new book belongs in the same section of your library as The Wisdom of Crowds, The Starfish and the Spider, Wikinomics, Small Pieces Loosely Joined and Seth Godin's forthcoming Tribes. The subject is group intelligence, or as Howe, a writer for Wired and other publications, calls it, ``crowdsourcing.'' ...