In every story there is a hero and a monster.'Mind-bending, heart wrenching, and unputdownable!' Stephanie Garber, Sunday Times bestselling author of the Caraval series and Once Upon a Broken HeartIt should have been the perfect summer. Sent to stay with her late mother's eccentric family in London, sixteen-year-old Joan is determined to enjoy herself. She loves her nerdy job at the historic Holland House, and when her super cute co-worker Nick asks her on a date, it feels like everything is falling into place.Then a Good Samaritan attempt gone wrong sends Joan spinning through time, and her life quickly begins to unravel. Her family aren't just eccentric: they're monsters, with terrifying, hidden powers. And Nick isn't just a cute boy: he's a legendary monster slayer, who will do anything to bring them down.As she battles Nick, Joan is forced to work with the beautiful and ruthless Aaron Oliver, heir to a monster family that hates her own. She'll have to embrace her own monstrousness if she is to save herself, and her family. Because in this story . . .. . .she is not the hero.Dive deep into the world of Only a Monster, where the line between monster and hero is razor thin: hidden worlds dwell in the shadows, beautiful monsters with untold powers walk among humans, and secrets are the most powerful weapon of all.