Well of Demon and Bone — Thomas K. Carpenter

Moriganne Charmer returns in this final tale of betrayal and dark magic set amongst the Hundred Halls elite.Without the protection once afforded by her last name, Moriganne and her siblings must contend against their father whose fury was unleashed by their betrayal. As the truth of his motives become clear, they realize that their struggle has implications far beyond the bonds of family. If they cannot stop him, then the future of the Hundred Halls—and possibly the world—is at stake.