Abaddon's Gate
Alien invasion stories are often about humanity overcoming their differences and coming together in the face of an unknown threat. One of the things I like most about The Expanse is that it's about humanity's utter failure to do that. Which makes it feel a lot more realistic in today's political (and meteorological) climate. It probably helps that the alien threat in The Expanse isn't exactly imminent. The alien's are there. They've taken over Eros and Venus. But when the humans don't meddle, they're content to just stay out of the way. And in the third book, they've built a giant ring, which turns out to be a wormhole, out near the orbit of Uranus. It's not directly threatening, but it is weird. And more than anything, it symbolizes a political advantage. Which means a lot of political posturing as everyone tries to stave off conflict until they're sure that they're in the best position to win, at which point all hell will surely bre...