Eighteen-year-old Celaena Sardothien is bold, daring and beautiful - the perfect seductress and the greatest assassin her world has ever known. But though she won the king’s contest and became his champion, Celaena has been granted neither her liberty nor the freedom to follow her heart. Celaena faces a choice that is tearing her to pieces: kill in cold blood for a man she hates or risk sentencing those she loves to death. 

As the King of Adarlan’s assassin, Celaena Sardothien is bound to serve the tyrant who slaughtered her dear friend. But she has vowed to make him pay. The answers Celaena needs to destroy the king lie across the sea Wendlyn. And Chaol, captain of the king's guard, has put his future in jeopardy to send her there. Yet as Celaena seeks her destiny in Wendlyn, a new threat is preparing to take to the skies. 

Everyone Celaena Sardothien loves has been taken from her. But she's at last returned to the empire - for vengeance, to rescue her once-glorious kingdom, and to confront the shadows of her past.... She has embraced her identity as Aelin Galathynius, Queen of Terrasen. But before she can reclaim her throne, she must fight. She will fight for her cousin, a warrior prepared to die just to see her again. She will fight for her friend, a young man trapped in an unspeakable prison.

Aelin has risked everything to save her people - but at a tremendous cost. Locked within an iron coffin by the Queen of the Fae, Aelin must draw upon her fiery will as she endures months of torture. Aware that yielding to Maeve will doom those she loves keeps her from breaking, though her resolve begins to unravel with each passing day....With Aelin captured, Aedion and Lysandra remain the last line of defense to protect Terrasen from utter destruction. Yet they soon realize that the many allies they've gathered to battle Erawan's hordes might not be enough to save them.

In the dark, filthy salt mines of Endovier, an 18-year-old girl is serving a life sentence. She is a trained assassin, the best of her kind, but she made a fatal mistake. She got caught. Young Captain Westfall offers her a deal: her freedom in return for one huge sacrifice. Celaena must represent the prince in a to-the-death tournament - fighting the most gifted thieves and assassins in the land. Live or die, Celaena will be free. Win or lose, she is about to discover her true destiny. But will her assassin's heart be melted?