The Fourth and Final book of the Need series by Carrie Jones
Zara is at the center of an all-out war, and an impending apocalypse. True, she’s successfully rescued Nick from Valhalla, but it simply isn’t enough. Bedford is being ravaged by evil pixies and they need much more than one great warrior; they need an army. Zara isn’t sure what her role is anymore. She’s not just fighting for her friends, she’s also a pixie queen. And to align her team of pixies with the humans she loves will be one of her greatest battles yet. Especially since she can’t even reconcile her growing feelings for her pixie king…