Beginning Modern Unix
Manish Jain
Mastering Python Networking
Eric Chou
Metasploit
David Kennedy & Jim O'Gorman & Devon Kearns & Mati Aharoni
Threat Modeling
Adam Shostack
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain