A smart, claustrophobic thriller where two teens escape a strange prison only to discover they weren't locked in, but were locking someone - or something - out

A suspenseful, near-future, stand-alone thriller for fans of Kass Morgan's The 100 and Patrick Ness's More Than This

"Seventeen-year-old Lake seeks the secret heart of the computer simulation that safeguards passengers aboard a ship orbiting a post-apocalyptic Earth, on a quest that will either save or destroy them all."--Provided by publisher.

The only thing worse than being locked in is facing what you locked out.