How should the law reflect the phenomenon of interdependence in human relationships? This is the question raised in this book. Intuitively, we recognize that ours is a world of interdependence: ecological equilibrium rests upon an understanding of interdependence among species, international peace is built upon the concept of the interdependence of nations, and economic prosperity relies upon shared commercial arrangements and mutually accessible markets. Nevertheless, it often seems that, when it comes to analyzing relationships among people, law has not reflected the centrality of the concept of interdependence