Dear aspirant,

Best prepration books for UPSC are listed below.

--NCERT books (Geography, Polity, History, Economics)

--8th, 9th and 10th class NCERT books

--Indian polity by M Laxmikahth

--Lexicon for Ethics, Integrity, and Aptitude ( Ethics GS4)

Indian Constitution at Work (NCERT)

--IAS Mains General Studies Ethics ( Arihant Manual GS4)

--India and World History- India's Ancient Past R.S. Sharma

--Indian art and culture by Nitin Singhania

--Ethics, Integrity and Aptitude for Civil Services Main

--Indian Economy by Ramesh Singh

--Examination by Subba Rao and P.N. Roy Chaudhary

--Environment by Shankar IAS

***You can get more information about UPSC Prepration Books using below mentioned link.

https://competition.careers360.com/articles/books-for-upsc-ias/amp

**T o know how to prepare for UPSC exam, you can check out below given link.

https://competition.careers360.com/articles/how-prepare-for-upsc-ias/amp

May this information was helpful to you.

All The Best!!