"In Amsterdam, the Netherlands, in 2034, a comet is due to hit the Earth within the hour. Denise, who's sixteen years old and autistic, must try to find her missing sister and also help her neglectful, undependable mother safely aboard a spaceship"--

The sinking of an ocean liner leaves a newly married woman battling for survival in this powerful debut novel. Grace Winter, 22, is both a newlywed and a widow. She is also on trial for her life. In the summer of 1914, the elegant ocean liner carrying her and her husband Henry across the Atlantic suffers a mysterious explosion. Setting aside his own safety, Henry secures Grace a place in a lifeboat, which the survivors quickly realize is over capacity....

In a future world where those between the ages of thirteen and eighteen can have their lives "unwound" and their body parts harvested for use by others, three teens go to extreme lengths to uphold their beliefs--and, perhaps, save their own lives

While investigating the disappearance of one of their classmates, Piper and Hazel are kidnapped and taken to a building designed to keep them locked away, where every room is a method of torture and a test of survival.