Red Hat Enterprise Linux 6 Administration
Sander van Vugt
Linux® Command Line and Shell Scripting Bible
Richard Blum
Web Penetration Testing with Kali Linux
Gilberto Najera-Gutierrez & Juned Ahmed Ansari
Basics of Web Design: HTML5 & CSS (5th Edition)
Terry Felke-Morris
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain