When thirteen-year-olds Jonah and Chip, who are both adopted, learn they were discovered on a plane that appeared out of nowhere, full of babies with no adults on board, they realize that they have uncovered a mystery involving time travel and two opposing forces, each trying to repair the fabric of time.

Against all odds, Katniss Everdeen has won the annual Hunger Games with fellow district tribute Peeta Mellark. But it was a victory won by defiance of the Capitol and their harsh rules. Katniss and Peeta should be happy. After all, they have just won for themselves and their families a life of safety and plenty. But there are rumors of rebellion among the subjects, and Katniss and Peeta, to their horror, are the faces of that rebellion. Nothing is...

In the chaotic turmoil that follows the Boov invasion of Earth, eleven-year-old Gratuity Tucci finds herself driving her mother's car to Florida, where all of the humans are being relocated, with her cat and a renegade extraterrestiral named J. Lo as her copilots.

When fifteen-year-old Ty, who has always lived on the ocean floor, joins Topside girl Gemma in the frontier's underworld to seek and stop outlaws who threaten his home, they learn that the government may pose an even greater threat.

In an overpopulated world where all signs of nature have been obliterated and a wall has been erected to keep out plague-ridden animals, twelve-year-old Mika refuses to believe that his twin sister was killed after being abducted, and continues to search for her in spite of the dangers he faces in doing so.

Liam Digby is so unusually tall that people think he should act like an adult, which leads him to compete against adults for a chance to go into space.

In a future world baked dry by the sun and divided into those who live inside the wall and those who live outside it, sixteen-year-old midwife Gaia Stone is forced into a difficult choice when her parents are arrested and taken into the city.

"We shall all, in the end, be led to where we belong. We shall all, in the end, find our way home. In a time of war, a mysterious child appears at the monastery of the Order of the Chronicles of Sorrowing. Gentle Brother Edik finds the girl, Beatryce, curled in a stall, wracked with fever, coated in dirt and blood, and holding fast to the ear of Answelica the goat. As the monk nurses Beatryce to health, he uncovers her dangerous secret, one that imperils...

After a meteor hits the moon and sets off a series of horrific climate changes, seventeen-year-old Alex Morales must take care of his sisters alone in the chaos of New York City.

Born in the eighth year of Enclosure, ten-year-old Honor lives in a highly regulated colony with her defiant parents, but when they have an illegal second child and are taken away, it is up to Honor and her friend Helix, another "Unpredictable," to uncover a terrible secret about their Island and the Corporation that runs everything.