Reply To: What are the best books for UPSC CSE preparation? January 31, 2020 at 9:13 pm #2260 Pankaj SharmaParticipant The following are the best books for UPSC CSE preparation :- 1. Rau’s Prelims Compass 2. Rau’s Mains Compass. 3. Rau’s FOCUS Magazine is the current affairs magazine