What is the status of the civil rights of those who are physically or mentally disabled? How can just and dignified conditions be enforced across national borders? And: In what way must we incorporate our treatment of animals into our notions of social justice? With both critical and constructive intent, Martha Nussbaum explores the limits of classical theories of justice, subjects political principles to a thorough revision, and sheds new light on entrenched concepts of social cooperation, dignity, and transnational justice. Through her renowned capabilities approach, she outlines a genuine utopia of global justice.