A Vow So Bold and Deadly by Brigid Kemmerer
Cursebreakers; Book Three
Emberfall is crumbling fast, torn between those who believe Rhen is the rightful prince and those who are eager to begin a new era under Grey, the true heir. Grey has agreed to wait two months before attacking Emberfall, and in that time, Rhen has turned away from everyone--even Harper, as she desperately tries to help him find a path to peace. Meanwhile, Lia Mara struggles to rule Syhl Shallow with a gentler hand than her mother. But after enjoying decades of peace once magic was driven out of their lands, some of her subjects are angry Lia Mara has an enchanted prince and a magical scraver by her side. As Grey's deadline draws nearer, Lia Mara questions if she can be the queen her country needs. As the two kingdoms come closer to conflict, loyalties are tested, love is threatened, and an old enemy resurfaces who could destroy them all.” -WorldCat
Realm Breaker by Victoria Aveyard
Realm Breaker; Book One
"A strange darkness grows in Allward. Even Corayne an-Amarat can feel it, tucked away in her small town at the edge of the sea. She soon discovers the truth: she is the last of an ancient lineage--and the last hope to save the world from destruction. But she won't be alone. Even as darkness falls, she is joined by a band of unlikely companions. Together they stand against a vicious opponent, invincible and determined to burn all kingdoms to ash, and an army unlike anything the realm has ever witnessed." -WorldCat
Rule of Wolves by Leigh Bardugo
Sequel to King of Scars
“As Fjerda's massive army prepares to invade, Nikolai Lantsov will summon every bit of his ingenuity and charm to win this fight, and Zoya Nazyalensky must embrace her powers to become the weapon her country needs, meanwhile Nina Zenik risks discovery and death as she wages war on Fjerda from inside its capital.” -WorldCat
The Iron Raven by Julie Kagawa
The Iron Fey: Evenfall; Book One
“A first entry in a standalone trilogy set in the world of The Iron Fey finds King Oberon's right-hand jester, Puck, sharing his story while teaming up with Iron Queen Meghan Chase, prince consort Ash and allies old and new to confront a threat to the lands of Faery.” -WorldCat
Winterkeep by Kristin Cashore
Graceling Realm; Book Four
"For the past five years, Bitterblue has reigned as Queen of Monsea, heroically rebuilding her nation after her fathers horrific rule. After learning about the land of Torla in the east, she sends envoys to the closest nation there: Winterkeep-a place where telepathic foxes bond with humans, and people fly across the sky in wondrous airships. But when the envoys never return, having drowned under suspicious circumstances, Bitterblue sets off for Winterkeep herself, along with her spy Hava and her trusted colleague Giddon.” -WorldCat