Throne of Glass Book by Sarah J. Maas

Throne of Glass by Sarah J. Maas is the first book in a high fantasy series that follows Celaena Sardothien, a teenage assassin who is imprisoned in a brutal labor camp. She is given a chance at freedom if she agrees to participate in a competition to become the king’s personal assassin. As Celaena competes against other deadly assassins, she uncovers dark secrets about the kingdom and her own mysterious past. Throughout the story, she grapples with themes of power, loyalty, love, and revenge.