Linux in a Nutshell
Arnold Robbins & Ellen Siever & Stephen Figgins & Robert Love
Essential System Administration
Æleen Frisch
Free Executive Summary
Leona Coffee
Python Automation Cookbook
Jaime Buelta
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain