The Hacker Playbook 2: Practical Guide To Penetration Testing
Peter Kim
Linux Server Security
Chris Binnie
Applied Cryptography
Bruce Schneier
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