Using and Administering Linux: Volume 1
David Both
Linux® BIBLE
Christopher Negus
Advanced Penetration Testing
Wil Allsopp
Django 2 Web Development Cookbook
Jake Kronika & Aidas Bendoraitis
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain