Crowds presents several layers of meditation on the phenomenon of collectivities, from the scholarly to the personal; it is the most comprehensive cross-disciplinary publication on crowds in modernity. For more information, visit http://shl.stanford.edu/Crowds "Combined, the book and web site offer unparalleled breadth and depth of research on crowds that will be likely to remain the gold standard on this topic for some time to come. . . . In its size, exuberant diversity, electronic research capabilities, and focus on a common topic, Crowds presents an exciting demonstration of what can be accomplished in collaborative humanities research."