464 pages | PaperbackIn the final book in theNew York Timesbestselling Three Dark Crowns series, an all-out war is brewingone that will pit sister against sister, dead against undead, and the betrayed against their betrayers.

Picking up the pieces after the grim confrontation with Queen Katharine, Mirabella and Arsinoe must figure out whats next. Their answer to Katharines evil reign was in Jules, their warrior, but now that her mind has been ravaged by uncontrollable fits of madness, theres no telling what might happen with the rebellion.

Then Mirabella goes missing and, though it pains Arsinoe to admit, all signs point to an unthinkable betrayal. But there are more players in this war than she realizes. The power struggle will come to an end indeed, but at what price?

In this conclusion to the Three Dark Crowns series, three sisters will rise to fight as the secrets of Fennbirns history are laid bare. Allegiances will shift. Bonds will be tested. But the fate of the island lies in the hands of its queens…It always has.