Beginning Modern Unix
Manish Jain
Mastering Python Networking
Eric Chou
Django 2 by Example
Antonio Mele
OpenCV 3 Computer Vision with Python Cookbook
Aleksei Spizhevoi & Aleksandr Rybnikov
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain