Metasploit Penetration Testing Cookbook
Abhinav Singh
Applied Cryptography
Bruce Schneier
Cracking Codes with Python
Al Sweigart
Math Adventures with Python
Peter Farrell
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain