A well-structured and reliable GK book from Lucent Publications, this edition by Dr. Binay Karn and team covers all major subjects — History, Geography, Polity, Science and Economy — in a concise and exam-focused manner. It’s especially useful for SSC, UPSC and Banking aspirants. While the information is solid and easy to grasp, a few sections could use updated data. Overall, a trustworthy and essential resource for building strong general knowledge fundamentals.