Not the intent of this post but that’s a great indirect recommendation for Consider Phlebas, I just placed a hold at my library for it.

The Expanse series might be a good fit, it’s pretty PG-13 if memory serves, and the narrator is excellent.

Can you narrow it down to a specific country? Licensure and regulation will likely vary on a per-country basis. Assuming you’re not in the US based on the global availability stipulation, but if you are, psychologytoday.com is a good place to start.