Give me name of some best books for preparation of GATE computer science and engineering examination ?

Here I am giving you name of some best books for preparation of GATE computer science and engineering examination below :

GATE Tutor 2015 Computer Science & Information Technology [Paperback]
Er. Shanti Kirupani (Author), Prachi Jain (Author), Amrita Mishra (Author)




GATE Tutor 2014 Computer Science and Information Technology [Paperback]
Arihant Experts (Author)




GATE 2014 - Computer Science & Information Technology : 18 Years Chapter Wise Solved Papers (1996 - 2013) 15th Edition
Author: GKP



GATE Computer Science and Information Technology (2014) 11th Edition
Author: GK