Essential System Administration
Æleen Frisch
The Hardware Hacker
Andrew Bunnie Huang
Kali Linux Web Penetration Testing Cookbook
Gilberto Najera Gutierrez
Using and Administering Linux: Volume 1
David Both
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain