Demonstrates the evolution of ideas developed by theorists over time and links classical sociological theory to today's world Key Ideas in Sociology, Third Edition, is the only undergraduate text to link today's issues to the ideas and individuals of the era of classical sociological thought. Compact and affordable, this book provides an overview of how sociological theories have helped sociologists understand modern societies and human relations. It also describes the continual evolution of these theories in response to social change. Providing students with the opportunity to read from primary texts, this valuable supplement presents theories as interpretive tools, useful for understanding a multifaceted, ever-shifting social world. Emphasis is given to the working world, to the roles and responsibilities of citizenship, and to social relationships. A concluding chapter addresses globalization and its challenges. Contributor to the SAGE Teaching Innovations and Professional Development Award