Contents

Acknowledgments

  Introduction: Altruism and Evolution

  1. Groups That Work

  2. How Altruism Evolves

  3. Equivalence

  4. From Nonhumans to Humans

  5. Psychological Altruism

  6. Altruism and Religion

  7. Altruism and Economics

  8. Altruism in Everyday Life

  9. Pathological Altruism

10. Planetary Altruism

Notes

Works Cited

Index