Illuminae

"Illuminae," a YA sci-fi novel by Amie Kaufman and Jay Kristoff, follows Ezra and Kady as they escape an ice-covered planet during a galactic war involving two powerful megacorporations. Amidst chaos, a deadly and mutating plague threatens the crew of their spaceship, leading Kady to uncover crucial secrets through hacking into a complex web of data. This thrilling adventure explores the perils of war, survival, and complex relationships in a high-stakes interstellar setting.