As capitalism continually reinvents itself, the challenge of building collectives become evermore a tougher task. The famous words that "Bourgeois society stands at the crossroads, either transition to socialism or regression into barbarism" remains as true as ever before. Rosa Luxemburg not only tried to understand capitalism and imperialism from her own perspective, but also as an intellectual engaged in street fights. She also addressed the question of organization and organizing against capitalism. This volume appearing in the 100th year of her assassination remembers her contributions. The chapters writteb by people who break the distinction of scholar and activist reflect on the questions of organizationsal politics against capitalism.