Stiefvater, Maggie. The Raven Boys.

Blue was born into a family of psychics, and even though her mere presence enhances the psychic abilities of others, she doesn't have any abilities of her own. When she meets Gansey, a mysterious boy from a local private school, she is inexplicably drawn to him. She has her first psychic vision and it is of Gansey’s death at some point in the coming year. Every psychic she has ever met has told her that if she were to kiss her true love, he would die. Gansey and his friends rope Blue into helping them with a dangerous magical quest and all of them might be in danger.

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