Professional Linux Kernel Architecture
Wolfgang Mauerer
Red Hat Enterprise Linux 6 Administration
Sander van Vugt
Hands-On AWS Penetration Testing with Kali Linux
Karl Gilbert & Benjamin Caudill
Linux Bible
Christopher Negus
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain