In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.
Min, a thirteen-year-old girl with fox-magic, stows away on a battle cruiser and impersonates a cadet in order to solve the mystery of what happened to her older brother in the Thousand World Space Forces.
Given his lifetime assignment at the Ceremony of Twelve, Jonas becomes the receiver of memories shared by only one other in his community and discovers the terrible truth about the society in which he lives.
A girl named Petra Peña, who wanted nothing more than to be a storyteller, like her abuelita. But Petra's world is ending. Earth has been destroyed by a comet, and only a few hundred scientists and their children - among them Petra and her family - have been chosen to journey to a new planet. They are the ones who must carry on the human race. Hundreds of years later, Petra wakes to this new planet - and the discovery that she is the only person who remembers Earth. A sinister Collective has taken over the ship during its journey, bent on erasing the sins of humanity's past. They have systematically purged the memories of all aboard - or purged them altogether. Petra alone now carries the stories of our past, and with them, any hope for our future. Can she make them live again?
While waiting to leave Mars before it burns up just like the Earth before it, Liam and his friend Phoebe discover some facts about time and space and realize that the human race is just one of the races trying to survive in space.
After a monster apocalypse hits town, average thirteen-year-old Jack Sullivan builds a team of friends to help slay the eerily intelligent monster known as Blarg.
Bell has spent his whole life--all eleven years of it--on Mars. But he's still just a regular kid-he loves cats, any kind of cake, and is curious about the secrets the adults in the US colony are keeping. Like, why don't have contact with anyone on the other Mars colonies? Why are they so isolated? When a virus breaks out and the grown-ups all fall ill, Bell and the other children are the only ones who can help. It's up to Bell--a regular kid in a very different world--to uncover the truth and save his family...and possibly unite an entire planet.
After a catastrophic Unknown Event leaves the colony ship Orion stranded deep in space, it's up to thirteen-year-old Beth and her friends to navigate through treacherous and uncharted territory and reach safety. But a heavily damaged ship, a mysterious alien species, space pirates, and an Artificial Intelligence which Beth suspects may be lying to her mean that getting home has never been so difficult.
When an asteroid has an 84.7% chance of colliding with the Earth in four days, eleven-year-old Kemi, who loves scientific facts and probability, assembles a time capsule to capture her family's truth as she tries to come to terms with saying goodbye.
Twelve-year-old Zuzu befriends a guardian robot with a limited battery life that was given to her father as severance after being laid off from the mega corporation that controls everything.
When robot Roz opens her eyes for the first time, she discovers that she is alone on a remote, wild island. She has no idea how she got there or what her purpose is - but she knows she needs to survive. After battling a fierce storm and escaping a vicious bear attack, she realizes that her only hope for survival is to adapt to her surroundings and learn from the island's unwelcoming animal inhabitants. As Roz slowly befriends the animals, the island starts to feel like home - until, one day, the robot's mysterious past come back to haunt her. From bestselling and award-winning author and illustrator Peter Brown comes a heartwarming and action-packed novel about what happens when nature and technology collide.
Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.