International Relations Theory: The Essentials provides a complete and concise introduction to the study of international relations theory, covering the main theories that you'll encounter on your course. In addition, its helpful study skills section shows you how to apply your knowledge to coursework and examinations, ensuring that you get the most out of your studies. This revised second edition includes: - Coverage of the key theories in international relations, including new sections on Democratic Peace Theory, Pluralism and Solidarism and Norms - An updated study skills section giving you guidance on responding to feedback and avoiding plagiarism, along with hints and tips for good essay writing, how to get the most out of lectures and seminars, and exam preparation - A number of useful learning features; from 'questions to ponder' and 'common pitfalls', to lists of further reading and 'taking it further' boxes, which suggest ways in which you can extend your thinking beyond the classroom. Written in a clear and accessible style, International Relations Theory: The Essentials is the perfect primer for both undergraduate and graduate students new to the topic of international relations theory, or for those simply looking for a refresher.