When Emika hacks into Warcross, she is shocked when she gets a call from the game's creator with an irresistible offer. He needs a spy on the inside of this year's tournament in order to uncover a security problem . . . and he wants Emika for the job.
In this sci-fi thriller, #1 New York Times bestselling author Marie Lu conjures an immersive, exhilarating world where choosing who to trust may be the biggest gamble of all.