The Horn of Africa is one of the most strategically important regions in the world. Global powers maintain military bases there. Trade routes that connect continents pass through its waters. International attention is constant. And yet, millions of people—especially pastoralist and nomadic communities—remain excluded from meaningful education and long-term development. Why? In A Mosaic of Different Realities in the Horn of Africa , Daniel Sugamo presents a powerful and thought-provoking analysis of the region's deepest contradiction: concentrated global power alongside persistent local exclusion. This book challenges common narratives that blame instability on culture, tradition, or lack of resources. Instead, Sugamo argues that educational segregation —systems designed for settled populations that systematically exclude mobile communities—is a core driver of inequality, economic stagnation, and recurring insecurity.