“International Relations” by Jon C. W. Pevehouse and Joshua S. Goldstein is a widely-used textbook that provides a comprehensive overview of the field of international relations (IR). In its eleventh edition, the book covers foundational concepts, historical developments, and current issues in IR. It addresses major theories like realism, liberalism, and constructivism, explaining how they interpret global politics. The text also explores topics such as war, diplomacy, international organizations (like the UN), global economics, and human rights. Pevehouse and Goldstein incorporate case studies, data, and trends to highlight the complexities of international affairs, making it accessible for both students and general readers. Additionally, the book examines how globalization, environmental challenges, and technology are reshaping international relations in the modern era.