CCNA 200-301 Official Cert Guide, Volume 2
Wendell Odom
Beginning Modern Unix
Manish Jain
Math Adventures with Python
Peter Farrell
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