Which are the good books for the preparation of IAS Preliminary Exam????

Here I am telling you the names of some good books for the preparation of IAS Preliminary Exam:


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

Prelims 17 Years Civil Services (IAS): General Studies Topic Wise Solved Papers (1995-2011)
by
Disha Experts
Publisher: Disha Publication


IAS Preliminary General Studies: Topic Wise Solved Question Papers (1995 - 2011)
by
Upscportal

Some books which are considered good for the preparation:
Frontline Magazine
Gandhi Nehru Tagore & Ambedkar — Gopal Krishna
Yojana
NCERT (+1 level)—Evolution of Indian Economy
Kashyap—Constitution of India
NCERT Physical Geography of India for X - XII Std
Charles Farro: Monsoon Asia Reports published by Centre for Science and National
Popular Science Series (CSIR)
Journal of peace Studies
Science Reporter
NCERT +1 level) Elementary Statistics
A.C.Banerjee - History of Modern India Raghavan Aiyer — Mahatma Gandhi
D.D. Basu—Indian Constitution