Book excerpt: Written by award-winning scholar Jonathan Turner, Theoretical Sociology: 1830 to the Present covers new and emerging aspects of sociological theory and examines the significant contributions of both modern and founding theorists. Nine sections present detailed analyses of key theories and paradigms, including functionalism, evolutionary theory, conflict theory, critical theory, exchange theory, interactionist theory, and structuralism. Despite the in-depth discussions of theorists and their contributions to the field, the text is concise and focused, a perfect resource for readers seeking to develop a deeper understanding of contemporary and classical sociological theory.