Linux® Command Line and Shell Scripting Bible
Richard Blum
Math Adventures with Python
Peter Farrell
Cryptography Engineering
Tadayoshi Kohno & Bruce Schneier & Niels Ferguson
Free Executive Summary
Leona Coffee
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain