Rebel's Blade (The Aermian Feuds Book 1) by Frost Kay

Fans of Sarah J. Maas, Holly Black, and Leigh Bardugo are losing sleep over the first book in the COMPLETE enemies-to-lovers fantasy series The Aermian Feuds.

Kings and lies have one thing in common—they kill. Fed up with the neglect and corruption of the crown, swordsmith Sage Blackwell steps forward to spy on the crown and lead the brewing rebellion. When her plans go south and one of Sage's own betrays her, she finds herself facing the devils themselves, her sworn enemies, the princes of Aermia. Tehl Ramses is determined to crush the rising rebellion before civil war sweeps Aermia, leaving the kingdom vulnerable to the monsters breathing down his neck. His only key to figuring out how to stop the incoming war is the most infuriating, and alluring prisoner he's ever set eyes upon. He will do whatever to is necessary to save his people, even lose his own heart. It's his heart or hers

Crown's Shield (The Aermian Feuds Book 2) by Frost Kay

The #1 Internationally Bestselling sequel to Frost Kay's pulse-pounding Rebel's Blade. Betrayal and and trickery come at a price... Despite her resolve to cut ties with the rebellion, Sage Blackwell is forced to turn to her old allies...But when the ultimate betrayal puts her in an impossible position, she has to make a life changing decision: the Crown or her freedom? From the moment he meets Sage, Crown Prince Tehl Ramses finds himself confronted with one surprise after another-and he hates being the fool. Ensnared in the rebellion's intricate web of trickery and blackmail, Tehl is forced to take desperate measures: war or compromise? Both Tehl and Sage will do whatever's necessary to avoid the pending war, even if it means becoming reluctant allies.