It's time to take back Earth.

Earth's century of peace as a colony of an alien race has been shattered. As the government navigates peace talks with the human terrorist group Sapience, Donovan tries to put his life back together and return to his duty as a member of the security forces. But a new order comes from the home planet: withdraw. Earth has proven too costly and unstable to maintain as a colony, so the aliens, along with a small selection of humans, begin to make plans to leave. As word of the withdrawal spreads through the galaxy, Earth suddenly becomes vulnerable to a takeover from other alien races. Invaders who do not seek to live in harmony with humans, but to ravage and destroy the planet.As a galactic invasion threatens, Donovan realizes that Sapience holds the key that could stop the impending war. Yet in order to save humankind, all species on Earth will have to work together, and Donovan might just have to make the ultimate sacrifice to convince them.

Fonda Lee is the author of Exo, which was a Junior Library Guild selection, and Zeroboxer, which was an Andre Norton Award finalist, a Junior Library Guild selection, and an ALA Top Ten Quick Pick for Reluctant Young Adult Readers. After spending years as a corporate strategist for Fortune 500 companies, she is now a writer and black belt martial artist living in Portland, Oregon. You can visit her online at www.fondalee.com.

Fonda Lee's profile page

• Winner, Prix Aurora Awards
• Commended, Best Books for Kids and Teens, Canadian Children's Book Centre

Praise for Exo

"Fonda Lee's Exo is a deeply immersive story that balances fantastic, original world building with spine-tingling adventure. Days after finishing, I was still thinking about it." --Sabaa Tahir, author of the New York Times bestselling series An Ember in the Ashes

"Exo is my favorite type of sci-fi adventure-a novel that makes you question everything you think about our world . . . and what it means to be human." --Kass Morgan, author of the New York Times bestselling series The 100

"Lee constructs a plausibly alien future society and uses the premise to offer thought-provoking questions on occupation and colonization, placing her hero in a murky state of morality as she explores divided loyalties and conflicting obligations. " --Publishers Weekly

"Science fiction fans will love this title." --VOYA

"This action-packed novel asks readers to consider alien technology, what it means to be human or nonhuman, and the gray areas in war, where neither side is completely good or evil." --School Library Journal

"Lee's Zeroboxer fans will be thrilled to see the same mix of adventure, violence, and intensity that shaped her earlier novel." --BCCB

"Believable, suspenseful science fiction." --Kirkus Reviews

An Andre Norton finalist