Linux in a Nutshell
Arnold Robbins & Ellen Siever & Stephen Figgins & Robert Love
Mastering Linux Security and Hardening
Donald Tevault
Python Playground
Geeky Projects for the Curious Programmer
Unauthorised Access
Wil Allsopp
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain