For IAS preparation, some recommended books include "Indian Polity" by M. Laxmikanth, which covers constitutional fundamentals, "History of Modern India" by Bipan Chandra, providing an in-depth understanding of the socio-political context, and "General Studies Manual" for comprehensive revision. Additional resources such as "Economic Survey" and "India Year Book" offer current information essential for exams. Moreover, aspirants should also consult various newspapers and periodicals to remain updated on current affairs, crucial for achieving success in UPSC examinations.