Each night when 16 year-old London Lane goes to sleep, her whole world disappears. In the morning, all that’s left is a note telling her about a day she can’t remember. The whole scenario doesn’t exactly make high school or dating that hot guy whose name she can’t seem to recall any easier. But when London starts experiencing disturbing visions she can’t make sense of, she realizes it’s time to learn a little more about the past she keeps forgetting-before it destroys her future.

See more for the book and the movie adaptation in the author’s blog here