Which are the good books for the preparation of Intelligence Bureau (IB) ACIO II examination???

Here I am telling you the names of some good books for the preparation of Intelligence Bureau (IB) ACIO II examination:


Intelligence Bureau Assistant Central Intelligence Officer Grade II - Recruitment Exam 1st Edition


ACIO: Intelligence Bureau
List Price: Rs.325


IB-ACIO Executive Guide (Grade - 2) (Hindi)
List Price: Rs.340


Intelligence Bureau Sahayak Kendriya Intelligence Adhikari Grade II - Bharti Pariksha (Hindi) 1st Edition
List Price: Rs.205