This book advances a novel theory of international justice that combines the orthodox liberal notion that the lives of individuals are what ultimately matter morally with the putatively antiliberal idea of an irreducibly collective right of self-governance. The individual and her rights are placed at center stage insofar as political states are judged legitimate if they adequately protect the human rights of their constituents and respect the rights of all others. Yet, the bookargues that legitimate states have a moral right to self-determination and that this right is inherently collective, i.