JEF - Science Fiction (Juvenile)

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.

After being captured by the Recons and returned to civilization for reprogramming, Roz is sent to Hilltop Farm where she befriends her owner's family and animals, but pines for her son, Brightbill.

In order to heal after his mother's death, thirteen-year-old Sal learns to reach into time and space to retrieve things--and people--from other universes.

A twelve-year-old girl raised in a foster village is returned to her biological parents, and discovers home is not what she expected it to be.

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 they 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...

Rod is surprised when a miniature spaceship lands in his school science project and reveals five tiny aliens, who ask his help in apprehending an interstellar criminal.

"Dashiell Gibson, who lives on Moon Base Alpha, has to solve a murder of one of the moon's most prominent doctors"--

Appointed Earth's ambassador to the universe, twelve-year-old Gabe Fuentes faces two sets of "alien" problems when he discovers his parents are illegal aliens and face deportation and the Earth is in the path of a destructive alien force causing multiple mass extinctions.

Zack and Drake venture to Gluco, the candy planet, for some Easter fun but while competing in such activities as an egg toss and a three-legged race, Zack is so determined to come in first that he considers cheating to win.

Boy genius Frank Einstein finds himself in competition with his classmate and archrival T. Edison and his sign-language-speaking sidekick, Mr. Chimp, over Frank's newest invention: the EvoBlaster Belt.