Three Dark Crowns 3: Two Dark Reigns

One Crowned, Two Exiled, A Revolution Rising.
The battle has been fought, blood has been spilt and a queen has been crowned, but not all are happy with the outcome.
Katharine, the poisoner queen, has been crowned and is trying to ignore the whispers that call her illegitimate, undead, cursed.
Mirabella and Arsinoe have escaped the island of Fennbirn, but how long before the island calls them back?
Jules is returning to Fennbirn and has become the unlikely figurehead of a revolution threatening to topple Katharine's already unsteady rule.
But what good is a revolution if something is wrong with the island itself?