"The book ""Fundamentals of Political Science and International Relations Optional"" by Pavneet Singh is an introductory guide for students studying Political Science and International Relations (PSIR). It is designed to help students, especially those preparing for the Civil Services Examination (CSE), understand fundamental concepts, terminologies, and ideologies in PSIR. Purpose and Structure: Serves as an entry point for both beginners and those with some prior knowledge. Emphasizes understanding over memorization, aiming for deep comprehension of key ideas. Recommends a ten-day period for initial immersion in the concepts presented. Relevance for CSE Students: Provides a solid foundation in PSIR, which is crucial for the CSE optional subject. Helps in building a robust understanding of political theories and ideologies, aiding in both Prelims and Mains exams. Acts as a comprehensive reference tool throughout the preparation journey. This book is essential for CSE aspirants, providing clarity and depth in PSIR, and serving as a valuable resource throughout their preparation."