IAS Entrance Books

Three month letter I am getting fight Indian administration service entrance exam but I have not any good books so can you tell me from where I can get good books?

[Pathak]

Given below is the list of the IAS exam books:

The Pearson CSAT Manual 2012
by Edgar Thorpe, Showick Thorpe
Publisher: Pearson Education (2012)

General Studies Topic Wise Solved Papers (1995-2011)
by Disha Experts
Publisher: Disha Publication

IAS PRE: Data Interpretation and Data Sufficiency
By Upscportal
Publisher---UPSCPortal

Civil Services Success PLANNER
By Sharma K K
Publisher: Tata Mcgraw Hill Education Private Limited

UPSC Civil Services Preliminary Examination Paper-I in 60 days
By Rakesh Dwivedi
Publisher: Tata mcgraw hill education private limited

Indian Polity for Civil Services Preliminary Examination, CSAT by Sachchida Nand Jha
Price--Rs. 200
Publisher---UPSCPortal

IAS Civil Service Examinatiion (UPSC)
By Author: Kumud Ranjan Singh