The Obelisk Gate
The Obelisk Gate is a 2016 science fantasy novel by N . K . Jemisin and the second volume in the Broken Earth series—following "The Fifth Season" , and preceding "The Stone Sky" . 
<triplet> The Obelisk Gate <subj> N. K. Jemisin <obj> author <triplet> "The Fifth Season" <subj> N. K. Jemisin <obj> author