Preface; 1. The evolution of human cooperation; 2. Economic anthropology of stateless societies: the rise and fall of homo economicus; 3. Conditional cooperators: the evolutionary game theory revolution; 4. The role of coercion in social theory; 5. The ritualized economy: how people in stateless societies cooperate; 6. An anthropological game theory model for the evolution of ritualized economies; 7. The evolution of ritualized economies: the archaeological evidence; 8. Epilogue: 'no beans, no Jesus'.