They tried to take her memories.Then, they took her brother.Now, she’ll bring them down.A month has passed since Terra regained the memories that the Tribunal tried purging from her mind. Memories that contain the truth behind the divide between the ground-dwelling terrestrials and the skydwellers in their floating citadels overhead.Now, she, Mica, and Adam are working hard to try and get proof of the Tribunal’s treachery. Under their increasingly oppressive watch, however, continuing her ruse of feigned amnesia isn’t easy. And neither is resisting her deepening relationship with Adam—who still harbors deep secrets about his heritage.When Mica is forcibly recruited to a skyworld military academy, Terra knows it’s the Tribunal’s way of tightening her leash. Desperate to get him back, Terra and Adam find themselves allying with the Underground—a covert resistance who have long been working to right the many, many wrongs of the past.Ancient secrets will be uncovered, hidden alliances exposed, and familial ties tested in Underground, the thrilling sequel to Terra and the conclusion of the Terrestrials Duology—perfect for fans of the Hunger Games and Divergent series.