Abstract

These three books consider the nature and evolutionary context of the individual and collective behavior of modern humans. Moffett’s The Human Swarm and Christakis’ Blue­print focus on the “big picture.” What, if anything, is distinctive about the ways groups of modern humans behave? What do modern human societies have in common that distin­guishes them from aggregations of non-human organisms? Wrangham’s The Goodness Par­adox focuses more narrowly on aggression, and the enigma that modern humans seem to be individually relatively docile, but collectively capable of planning and executing highly aggressive activities. I was intrigued and educated by all three books.