Essential System Administration
Æleen Frisch
Python Playground
Geeky Projects for the Curious Programmer
Python Machine Learning by Example
Yuxi (Hayden) Liu
Unauthorised Access
Wil Allsopp
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain