"Thrillingly ambitious and imaginative." --Soman Chainani, bestselling author of The School for Good and Evil, about Last Day on Mars It is Earth year 2223, but the Earth, along with the entire solar system, is gone. Liam and Phoebe, having barely escaped our exploding sun with their lives, are in stasis for the decade-long journey to the rogue planet Delphi, where they hope to meet up with the rest of the human refugees,...