This book suggests that more can be said about cosmopolitanism than either the bold endorsement of a world state or the humble recognition of the equal moral worth of individuals, which makes everybody cosmopolitan. Identifying problems with the traditional concept and disentangling a variety of positions within the cosmopolitan paradigm, it introduces the more refined concept of cosmopolitanism as nonrelationism, which denies underived special duties among fellow citizens or other related individuals, such as family members or friends. Cosmopolitanism as nonrelationism promises to overcome an entrenched debate wherein everybody is a cosmopolitan, and brings back the radical character traditionally associated with the term. It portrays cosmopolitanism