Cracking Codes with Python
Al Sweigart
grep Pocket Reference
John Bambenek
The Hacker Playbook 2: Practical Guide To Penetration Testing
Peter Kim
Python Playground
Geeky Projects for the Curious Programmer
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain