A ground-breaking history of the radical political movements that developed within the Mexican and Chicano working-class in the United States. Radicals in the Barrio uncovers a long and rich history of political radicalism within the Mexican and Chicano working class in the United States. Chacón clearly and sympathetically documents the ways that migratory workers carried with them radical political ideologies, new organizational models, and shared class experience, as they crossed the border into southwestern barrios during the first three decades of the twentieth-century.