CCNA 200-301 Official Cert Guide, Volume 2
Wendell Odom
Metasploit for Beginners
Sagar Rahalkar
Nmap: Network Exploration and Security Auditing Cookbook
Paulino Calderon
Hands-On Software Engineering with Python
Brian Allbee
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain