> Through CS Bachelor and Master I too have never had to buy a coursebook. It is entirely possible that your experience might be relevant for CS, I don't know

> Through CS Bachelor and Master I too have never had to buy a coursebook. It is entirely possible that your experience might be relevant for CS, I don't know I did a Physics degree, but there are a lot more degrees out there than CS or Physics, for which your experience might not be representative, in other words: There probably are degrees out there that do require the textbooks or if not actual requirement, it makes the learning experience better.