From the New York Times bestselling author of Bird Box comes a haunting tale of mystery and love, as a boy and a girl on their first date discover a strange house at the bottom of a lake--and a secret that will change their lives forever.So many love stories begin like this: It is summer. It is a beautiful night at a lake in the woods. They are seventeen. And it is their first date. But no other love story ends like this. For Jim and Amelia find something even stranger and mo