This book investigates the fundamental tension between societal division and democratic cohesion. Harry Eckstein, a noted political scientist, examines the historical and theoretical underpinnings of how democracies manage internal cleavages and maintain stability. The work draws on comparative political analysis and historical case studies to argue that while some level of societal division is inherent and even necessary for a dynamic democracy, excessive fragmentation can undermine its very foundations. Eckstein proposes a framework for understanding the conditions under which these divisions become destabilizing.

Harry Eckstein's "Division and Cohesion in Democracy" is recognized as a foundational text in the study of political stability and democratic theory. Scholars often cite its nuanced approach to understanding how societies navigate internal differences without succumbing to fragmentation. The book's enduring relevance lies in its analytical rigor and its contribution to conceptualizing the delicate balance required for a functioning democracy.