Python Playground
Geeky Projects for the Curious Programmer
Ubuntu Linux Toolbox: 1000+ Commands for Power Users
Negus, Christopher
CCNA Certification Practice Tests
Jon Buhagiar
Python Crash Course, 2nd Edition
Eric Matthes
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain