Una maldición afortunada

"You're seventeen now, you can't keep hiding from the world. So stop hiding." That's Harper, at least according to her grandmother: a girl who's a little different from the others, even though she doesn't quite know why yet. She's been hung up on Asher, the unattainable boy from her town she's always liked, for years, but the arrival of an enigmatic British exchange student who's hiding a secret will change everything.