The Expanse has become one of my favorite series in recent years, and it is no exaggeration to say that it has only gotten better with every new book. Of course, the one problem with this pattern is that it works much like gravity—what goes up must come down, after all. And yet, I say this doesn’t necessarily have to be a bad thing. In fact, I’d argue that after a major plot event, it’s important to dial things back a bit in order to let your characters regroup, refocus, and rebuild (not to mention give time for the reader to digest the latest bombshell) and this is exactly the way I would describe the circumstances surrounding Babylon’s Ashes. This sixth installment of the series is the immediate follow-up to Nemesis Games, directly addressing the events that happened in that book, so I would strongly recommend catching up before reading this review or others to avoid possible spoilers. If you’ve read the last novel though, then you’ll know that a new villain has come onto the scene in the form of the Free Navy, a violent group of rebels fighting in the name of Belters (a term that describes people…