The struggle of a fledgling technological species against the plight of interstellar space is a majestic backdrop for many of the best novels I've ever read. Especially with Clark, Niven, Pournelle etc. that have done some excellent mathematical investigation into the feasibility of the concepts discussed.
This is an unpopular opinion, because I've seen here how people like to hate on Gravity and stuff, but I feel like we're seeing a new trend in sci-fi movies/shows - Gravity, Interstellar, The Martian and now The Expanse, despite their various levels of science/plot tradeoffs, all are much more faithful to physics than what came before (with a honourable exception of Space Odyssey), and they do a great job at showing you can have a great sci-fi appealing to general population that sticks to how real space travel works.
--
That saids, The Expanse novels are 11/10 Even Better Than On TV, and I highly recommend them. Can't wait for the next one coming out soon(ish).
Space ship design is the other thing that regularly annoys me, it's all metal and not at all foam-padded on the inside. They're designed to look cool and futuristic, not utilitarian. They're also much too spacious, which makes it easier to get nice shots, of course, but is also a little ridiculous.
That said, it's amazingly fun and I've watched it twice and read all of the books. I think we can all agree that if the two points above are what's wrong with the series, it's pretty damn good. Highly recommended!