I did my Master’s degree in France and I’ve never has a single textbook to buy. All of our courses were made by the professors. They obviously didn’t rewrite th

I did my Master’s degree in France and I’ve never has a single textbook to buy. All of our courses were made by the professors. They obviously didn’t rewrite them every year because… why? It worked fine. We had suggestions of text books if we wanted to go further, but they were all available for free at the university library