Mastering Linux Security and Hardening
Donald Tevault
Think Like a Programmer
V. Anton Spraul
The Hacker Playbook 2: Practical Guide To Penetration Testing
Peter Kim
Wireshark for Security Professionals
Jessey Bullock & Jeff T. Parker
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain