CentOS 6 Linux Server Cookbook
Jonathan Hobson
Ikev2 Ipsec Virtual Private Networks: Understanding and Deploying ...
Graham Bartlett & Amjad Inamdar
Learning R
Richard Cotton
Understanding Network Hacks: Attack and Defense With Python
Bastian Ballmann
Beginning Java With WebSphere
Robert W. Janson
Linux Administration: A Beginner's Guide, Fifth Edition
Wale Soyinka