The Lost

This young adult thriller follows Piper and Hazel, two friends who become targets themselves while investigating a missing classmate. They are abducted and taken to a horrifying facility where they must endure various forms of torture and fight for their lives. Parents should be aware of prominent themes of kidnapping, violence, psychological torment, and survival, making it suitable for mature young adult readers. It explores themes of bravery, resilience, and the dark side of human nature.

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 in this new thriller from the "New York Times"-bestselling author of "The Cellar" and "The Cabin."