Applied Cryptography
Bruce Schneier
Python Playground
Geeky Projects for the Curious Programmer
Kali Linux Web Penetration Testing Cookbook
Gilberto Najera Gutierrez
Linux® Command Line and Shell Scripting Bible
Richard Blum
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain