Mastering Linux Security and Hardening
Donald Tevault
Malware Analyst's Cookbook and DVD
Michael Ligh, Steven Adair, Blake Hartstein, Matthew Richard
Essential System Administration
Æleen Frisch
Technical Writing for Business People
Carrie Marshall
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain