Recommended books for UPSC preparation often include standard texts like the NCERT series for foundational knowledge, as well as specific books like Indian Polity by M. Laxmikanth, Modern India by Bipin Chandra, and Economics by Ramesh Singh. Additionally, regularly updated reference materials on current affairs—such as the Economic Survey and Indian Year Book—are vital. Aspirants might also consider using online resources and coaching materials to complement their studies, ensuring a comprehensive prep strategy.