You can get three free programming books from Fanatical in their International Day of the Programmer Free Bundle! Books include Learn Java 12 Programming, Expert Python Programming, and Beginning C++ Game Programming.
Included with the bundle is a 20% off coupon towards the purchase of your next eBook bundle through Fanatical. Enjoy!
https://www.fanatical.com/en/bundle/international-day-of-the-programmer-free-bundle