The aim of this book is to introduce the fundamental concepts and theories of sociology. It covers the study of social institutions, social stratification, and cultural norms. Topics include family, education, religion, and media, as well as issues of race, gender, and class. The book discusses sociological research methods and their applications in understanding societal changes. Globalization, social movements, and urbanization are also explored. This text is designed for undergraduate students in sociology and related disciplines.