Charting a new direction -- Do nonwarring societies actually exist? -- Overlooked and underappreciated : the human potential for peace -- Killer apes, cannibals, and coprolites : projecting mayhem onto the past -- The earliest evidence of war -- War and social organization : from Nomadic bands to modern states -- Seeking justices : the quest for fairness -- Man the warrior : fact or fantasy? -- Insights from the Outback : Geneva Conventions in the Australian bush -- Void if detached ... from reality : Australian "warriors," Yanomamö unokais, and lethal raiding psychology -- Returning to the evidence : life in the band -- Darwin got it right : sex differences in aggression -- A new evolutionary perspective : the Nomadic forager model -- Setting the record straight -- A macroscopic anthropological view -- Enhancing peace.