Niklas Luhmann wrote sociological systems theory in which society is understood not primarily through individuals but through self-reproducing systems of communication. Social Systems lays out the core theory, while later works examine law, politics, art, religion and the economy as functionally differentiated systems with their own operations. Luhmann's writing is abstract, recursive and technically demanding, with concepts such as autopoiesis and observation carrying specialised meanings. The strongest audience overlap is with readers of advanced sociology, systems theory, organisational thought and social complexity rather than general introductory sociology. Read more Less