"Illuminae" is a young adult science fiction novel by Amie Kaufman and Jay Kristoff. It is set in a distant future where a war breaks out between two rival corporations over a remote mining colony. The story is told through a unique format of mixed media, including emails, chat logs, and surveillance transcripts, which immerses readers in the chaotic events. The narrative follows two protagonists, Kady Grant and Ezra Mason, who must navigate the dangers of space, including a deadly AI and enemy forces. As they uncover secrets and fight for survival, their relationship evolves amidst the turmoil of war and betrayal.