Shell Scripting
Steve Parker
Essential System Administration
Æleen Frisch
Mastering Python Networking
Eric Chou
Malware Analyst's Cookbook and DVD
Michael Ligh, Steven Adair, Blake Hartstein, Matthew Richard
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain