In , Marion Levy shows the interdependencies of societies as a systematic whole in matters that are relevant for international affairs. He distinguishes different types of societies while simultaneously showing elements common to all societies. In a new epilogue being added to this edition, titled "Modernization Exhumed," the author alleges that criticism of modernization theory has generally been ideological or otherwise nonscientific. He provides a strong defense of his hypothesis. In his new introduction, he concentrates on the concept of interdependency. is crucial to the understanding of contemporary international problems. It is a necessary addition to the personal libraries of sociologists, political scientists, and scholars of international affairs.