Cibola Burn, the fourth novel in the Expanse series by James S.A. Corey, is my favorite installment to date. There are a number of reasons for this, but the main one is that, for me at least, this book is the point where the entire series comes into its own. James S.A. Corey takes all the threads from the previous books and pulls them together. On one level, Cibola Burn is a classic space colonization stranded-on-an-alien-planet tale, but all the socio-political and personal angles that have been built up in the previous three novels hover over the action on Ilus/New Terra and turn it into so much more. I found it impossible to put down even during a second reading.
But first a quick summary to refresh your memory. Obviously, expect spoilers for all the Expanse books up to and including this one. You have been warned.