Books for Deputy Collector Exam

Will you please suggest some good books for Deputy Collector Exam?

Here are some good books referred to Books for Deputy Collector Exam:


Indian Polity for Civil Services Examinations (English) 3rd Edition
(Paperback)



Datt & Sundharam Indian Economy (English) 70th Edition
(Paperback)



General Studies Manual 2011 : Civil Service Preliminary Examination (English) 1st Edition
(Paperback)


Questions:





The Deputy Collector Exam has questions from following topics:

General knowledge
General English
Arithmetic
Reasoning

You need books but there is no separate books available for Deputy Collector Exam, so here I am give some general books for exam:

Lucent's General Knowledge [Paperback]
Vinay Karna (Author), Manwendra Mukul (Author), Sanjeev Kumar (Author)



Mathematics For C.D.S (Entrance Examination)
by R S Aggarwal



A Modern Approach To Verbal & Non-Verbal Reasoning Revised Edition (Paperback) by R. S. Aggarwal

Please suggest some good books referred to Books for Deputy Collector Exam???