Fourteen-year-old Zoey is a street-savvy orphan, careful to live life under the radar, because of a powerful secret. But her life changes forever when she’s recruited by a mysterious society called The Agency, a group of people that control the balance between monsters and humans.

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As Zoey begins her training at the academy, she makes two new friends—hilarious and clever Simon, and handsome, mysterious Tristan. Along the way, she discovers a treacherous plan that points to a demon invasion, and possibly the end of the world.

Zoey is determined to uncover the truth—but the closer she gets, the more she risks her life.