Might I recommend the free software Caliber? It can strip DRM off of ebooks. It’s not as good as buying them without it to begin with, but it’s a solution.

https://calibre-ebook.com/

Good place to study electrical engineering though.

Add some pepperoni to that and get the trifecta of flavor! Sweet, savory, and spicy!

The best pizza has pineapple on it, but isn’t the main topping!