Yali's question: The regionally differing courses of history -- From Eden to Cajamarca. Up to the starting line: What happened on all the continents before 11,000 B.C.? -- A natural experiment of history: How geography molded societies on Polynesian islands -- Collision at Cajamarca: Why the Inca emperor Atahuallpa did not capture King Charles I of Spain -- The rise and spread of food production. Farmer power: The roots of guns, germs, and steel -- History's haves and have-nots: Geographic differences in the onset of food production -- To farm or not to farm: Causes of the spread of food production -- How to make an almond: The unconscious development of ancient crops -- Apples or indians: Why did peoples of some regions fail to domesticate plants? -- Zebras, unhappy marriages, and the Anna Karenina principle: Why were most big wild mammal species never domesticated? -- Spacious skies and tilted axes: Why did food production spread at different rates on different continents? -- From food to guns, germs, and steel. Lethal gift of livestock: The evolution of germs -- Blueprints and borrowed letters: The evolution of writing -- Necessity's mother: The evolution of technology -- From egalitarianism to kleptocracy: The evolution of government and religion -- Around the world in five chapters. Yali's people: The histories of Australia and New Guinea -- How China became Chinese: The history of East Asia -- Speedboat to Polynesia: The history of Austronesian expansion -- Hemispheres colliding: The histories of Eurasia and the Americas compared -- How Africa became black: The history of Africa -- The future of human history as a science -- Who are the Japanese? 2003 afterword: Guns, germs, and steel today.