"There's no going back. There never was."
That line hit me somewhere around hour 16, stuck on a delayed Caltrain that wasn't moving, and I just... sat there. Staring at nothing. Because after nine books and probably 200+ hours with this crew, that's the moment I realized we were actually saying goodbye.
Bottom Line: This is the ending The Expanse deserved. It's not the ending I wanted (I wanted them to live forever, obviously), but it's the right one. Jefferson Mays delivers what might be his best performance in the series, and that's saying something.
The Weight of Nine Books in Your Ears
Look, I've been listening to this series since Leviathan Wakes dropped in audiobook form. That's years of commutes. Years of Jefferson Mays' Avasarala making me snort-laugh on packed trains. Years of his Amos voice being so perfectly deadpan that I've started using "I am that guy" in work Slack channels (don't tell my manager).
So going into this finale, I was terrified. Series endings are notoriously hard. They either rush everything, or they drag, or they try to tie up every thread so neatly that it feels fake. Testaments managed to pull off that same balancing act—giving closure without feeling forced. Leviathan Falls somehow avoids all of that.
The setup: Duarte's empire has crumbled, but the thing that killed the gate builders—the thing we've been dreading for eight books—is finally, fully awake. Elvi Okoye is doing desperate science in a dead system. Tanaka is hunting for Duarte's daughter. And Holden? Holden is trying to save humanity. Again. Because of course he is.
The pacing here is slower than some of the mid-series books, but it earns every minute. James S.A. Corey (the Daniel Abraham and Ty Franck writing duo, for the uninitiated) takes their time because the stakes are literally "all of human consciousness" and rushing that would feel cheap.
Jefferson Mays, You Absolute Legend
I've said it before: Ray Porter is my spirit narrator. But Jefferson Mays? Jefferson Mays is in a category of his own for this series.
His Holden has aged with the character—there's a weariness now that wasn't there in book one, but also this quiet determination that just... ugh. His Amos still hits that perfect note of "friendly sociopath who will absolutely kill for you." And Naomi—the way he voices Naomi in the final chapters made me miss my stop. Twice.
The newer characters get the same treatment. Tanaka could've been a one-note antagonist, but Mays gives her this cold precision that makes her genuinely unsettling. Elvi's scientific curiosity comes through even when she's describing incomprehensible alien horrors.
One thing I noticed: his pacing in the action sequences is tighter than ever. There's this space battle sequence around hour 12 that had me gripping my phone like an idiot, and part of that is the writing, but a lot of it is Mays knowing exactly when to punch up the delivery and when to let the silence breathe.
The Gut-Punch Moments (No Spoilers, I Promise)
I can't tell you what happens. I won't. But I will say this: there are at least three moments in the last four hours that made me tear up on public transit. And I am not a public crier. I am a "stare stoically out the window" person.
The book deals with consciousness, identity, what it means to be human when humanity itself is changing. Heavy stuff. But it never feels preachy or abstract because it's grounded in characters we've known for nine books. When [redacted] makes their choice, it hits because we've been with them since the beginning.
Also—and this is minor but it matters—the science actually holds up. Or at least, it holds up as well as any space opera with alien wormhole gates can. The explanations for what the gate builders were and what killed them feel earned, not hand-wavy.
Who Should Queue This Up (And Who Should Wait)
This is a 19+ hour audiobook. It demands attention. The political intrigue is layered, the alien stuff is genuinely weird, and there are a lot of characters to track. If you haven't read the previous eight books, start at Leviathan Wakes—this is not a standalone. But if you've made it through eight books? You're ready. This is the payoff.
I finished it on a Friday evening commute and then just... sat in my apartment for a while. Kevin asked if I was okay. I told him I needed a minute. He understood. (He's on book four.)
Would I Listen Again?
Yeah. Not immediately—I need some emotional distance first. But in a year or two, I'm going to restart from Leviathan Wakes and do the whole thing again. Because that's what great series finales do: they make you want to experience the whole journey one more time, knowing how it ends.
Signing Off From the Rocinante
The Expanse is one of the best science fiction series of our generation. And Leviathan Falls sticks the landing. That's all I wanted, and that's what we got.
Now if you'll excuse me, I need to go find something light and fluffy to listen to. Maybe a nice cozy mystery. Something where nobody has to save the entire human species.

















