Python Playground
Geeky Projects for the Curious Programmer
Mission Python
Sean McManus
The Food Lab: Better Home Cooking Through Science
J. Kenji López-Alt
Reversing
Eldad Eilam
Introduction to Sociology 2e
Heather Griffiths & Nathan Keirns & Gail Scaramuzzo & Susan Cody-Rydzewski & Eric Strayer & Sally Vyrain