Ainsley Harper has lived her life with the barest of knowledge about any of her family except the grandfather who raised her. He goes silent when she asks questions, and she's not allowed outside after dusk. But she can't ignore the night sky, the way she's called to the stars. One night, while her grandfather is asleep, Ainsley is visited by a childhood friend, one she had been convinced was only imaginary. The creature brings a short note and a...