Will you please suggest me some Good books for Railway junior engineer (Mechanical) exam???

Here I am suggesting you some Good books for Railway junior engineer (Mechanical) exam

RRB Railway Recruitment Board: Mechanical Engineering Guide For Junior Engineer
Author: G K P



Mechanical Engineering
Author: R S KHURMI, J K GUPTA



Railway Aptitude Test
Author: RPH Editorial Board



Junior Engineering solved paper by Upkar publications
Junior Engineer Question bank by BPB Publications
Railway recruitment exam by R.P.Datason
Railway recruitment exam by Dr Lal Jain