Applied Cryptography
Bruce Schneier
Red Hat Enterprise Linux 7: Desktops and Administration
Richard Petersen
The Hacker Playbook 2: Practical Guide To Penetration Testing
Peter Kim
Math Adventures with Python
Peter Farrell
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain