"Principles of International Economics" offers a concise introduction to the complex world of international trade and finance. We provide a rigorous yet clear approach, making it essential for MBA students, business managers, and professionals involved in international trade and finance. Given the global financial crisis, economic turmoil in developed countries, and growing obstacles to international trade and currency crises, understanding international economics is more critical than ever. We cover trade fundamentals and patterns, the impact of trade policies on business, national well-being, and the global economy. Additionally, we explore exchange rate determination and fluctuations, and the role of national economic policies on the domestic and global economy. Our book emphasizes the interrelationships between trade policy, central bank actions, government spending and taxes, interest rates, prices, exchange rates, and economic activity. Unlike standard textbooks, we focus on practical applications, making complex theories and models accessible. "Principles of International Economics" is suitable for students in introductory international business courses and business practitioners with limited knowledge of basic business principles. It serves as a comprehensive guide to understanding the intricacies of international economics.