Preface ix Introduction: What This Book Is About 1 1 The Wellbeing of the World 23 PART I LIFE AND DEATH 2 From Prehistory to 1945 59 3 Escaping Deat in the Tropics 101 4 Health in the Modern World 126 PART II MONEY 5 Materia Wellbeing in the United States 167 6 Globalization and the Greatest Escape 21 PART III HELP 7 How to Help Those Left Behind 267 Postscript: What Comes Next? 325 Notes 331 Index 351