The  New York Times  bestselling author duo Amie Kaufman and Meagan Spooner's sweeping science fiction Starbound Trilogy comes to a close with this dazzling final installment about the power of courage and hope in humanity's darkest hour. Gideon Marchant is an underworld hacker known as the Knave of Hearts, ready to climb and abseil his way past the best security measures on the planet to expose LRI's atrocities. Sofia Quinn, charming con artist, can work her way into any stronghold without missing a beat. When a foiled attempt to infiltrate LRI Headquarters forces them into a fragile alliance, it's impossible to know who's playing whom--and whether they can ever learn to trust each other.   With their lives, loves, and loyalties at stake, only by joining forces with the Icarus survivors and Avon's protectors do they stand a chance of taking down the most powerful corporation in the galaxy---before LRI's secrets destroy them all.