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.

"A group of kids who have been genetically altered to survive in the ocean must embark on a dangerous underwater journey to find refuge--and maybe even a way to save the world"--

The five midnighters from Bixby discover that the secret hour is starting to invade the daylight world, and if they cannot stop it, the darklings will soon be free to hunt again.

Waking up on a distant planet, Chase Garrety is horrified to learn that he has no memory of his life and finds himself under the protection of a mysterious benefactor who requires him to complete an important mission before time runs out.

When 100 juvenile delinquents are sent on a mission to re-colonize Earth centuries after the planet was ravaged by nuclear war, they get a second chance at freedom, friendship, and love, as they fight to survive in a dangerous new world.

Marveltown's adults are outstanding inventors, but when their best engineers create giant but stupid robots that threaten the town, it is the children's outrageous creations that save the day.

When thirteen-year-old Luke Garner unwittingly sets off a rebellion which sweeps the country and ousts the Population Police from power, he quickly realizes that the new regime is corrupt and he may hold the only key to true freedom.

Thirteen-year-old orphan Caleb is a "time snatcher" who travels through history stealing valuable artifacts from the past for high-paying clients of his ruthless guardian.

"While serving as a superhuman government weapon during World War III, teenager Tom Raine's loyalties are tested by corruption and nefarious enemies"--

A boy fights to stop an evil robot from taking over the futuristic world where humans and robots are at war over robot civil rights.