Linux® Essentials
Richard Blum
Linux Bible
Christopher Negus
Nmap: Network Exploration and Security Auditing Cookbook
Paulino Calderon
Black Hat Go
Tom Steele & Chris Patten & Dan Kottmann
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain