The great divide: nature and human nature in the Old World and the New

Introduction: 15000 BC-AD 1500 : a unique period in human history

How the first Americans differed from Old World peoples

How nature differs in the Old World and the New

Why human nature evolved differently in the Old World and the New

Conclusion: The shaman and shepherd : the gread divide

Appendix 1: The (never-ending) dispute of the New World

Appendix 2 (available online): From 100,000 kin groups to 190 sovereign states : some patterns in cultural evolution.