This Textbook of Political Theory is written for the students pursuing their under graduate and post-graduate degree courses in Political Science at all the Universities in Karnataka. The book covers most of the topics mentioned in the latest syllabi of Universities in the state. Political theory is one of the basic papers at undergraduate and post graduate levels in Political science. This book would serve as a reliable source for teachers and students and the material is presented in a student-friendly style making it easy to understand difficult concepts.