Ottilie Colter and the Withering World (The Narroway Trilogy, Book 3)

Sleeper comes for none. Ottilie and her friends are members of the Narroway Hunt, a secret organization that trains children to kill bloodthirsty monsters called dredretches. Now, the huntsmen are under attack—by something far worse than dredretches. A witch is cursing them one by one, making them unwilling participants in a vengeful scheme. But what, exactly, is she planning—and will Ottilie have to join her to find out? The thrilling conclusion to a much-loved trilogy about friendship, changing loyalties, and never, ever giving up.