Introduction: The Social, Health, and Economic Consequences of Pastoral Sedentarization in Marsabit District, Northern Kenya.- The Setting: Pastoral Sedentarization in Marsabit District, Northern Kenya.- Time, Terror, and Pastoral Inertia: Sedentarization and Conflict in Northern Kenya.- Ecological and Economic Consequences of Reduced Mobility in Pastoral Livestock Production Systems.- Cursed if you do, Cursed if You Don't: The contradictory Processes of Pastoral Sedentarization in Northern Kenya.- Once Nomads Settle: Assessing the Process, Motives, and Welfare Changes of Settlements on Mount Marsabit.- From Milk to Maize: The Transition to Agriculture for Rendille and Ariaal Pastoralists.- Women's Changing Economic Roles with Pastoral Sedentarization: Varying Strategies in Alternate Rendille Communities.- The Effects of Pastoral Sedentarization on Children's Growth and Nutrition among Ariaal and Rendille in Northern Kenya.- Health and Morbidity among Rendille Pastoralist Children: Effects of Sedentarization.- Sedentarization and Seasonality: Maternal Dietary and Health Consequences in Ariaal and Rendille Communities in Northern Kenya.- Development, Modernization, and Medicalization: Influences on the Changing Nature of Female "Circumcision" in Rendille Society.- Female Education in a Sedentary Ariaal Rendille Community: Paternal Decision-Making and Biosocial Pathways.