The UPSC Prelims, being an entirely objective type of paper would need a separate set of book lists and the UPSC Mains, being entirely subjective in its nature would need its own. Therefore, in this section of the blog, I have mentioned the names of all the important books for UPSC according to the different phases and subjects of the UPSC CSEs. Best UPSC Books for IAS Prelims In the IAS prelims round there are 2 papers and both are objective type in nature. That means both have multiple-type questions with negative markings for each wrong answer. I have mentioned below the list of the best IAS books for the Prelims round: Subject UPSC Books History 1. India’s Struggle for Independence – Bipan Chandra 2. Facets of Indian Culture – Spectrum 3. NCERT XI (Ancient & Medieval) 4. NCERT XII (Modern Indian History) Geography 1. Certificate Physical Geography – G C Leong 2. NCERT VI – X (Old Syllabus) 3. NCERT XI, XII (New Syllabus) 4. World Atlas Indian Polity 1. Indian Polity – M...