Nikola Kross's father, who was kidnapped by extraterrestrials, is still missing and it is up to Nikola, thirteen, and her new friends at the secret boarding school for scientific geniuses to rescue him.

Jamie has a close encounter with an alien who tells him his father, an astronaut on a mission at the International Space Station, is in trouble and needs Jamie's help.

Chloe Cho is a Korean American seventh-grader who would like to get in touch with many of the aspects of her heritage, but her parents are unwilling to talk about it--then when a class assignment forces Chloe to confront them directly, they finally tell her the truth about her family, which may just be too much for one girl to handle.

Stranded on a planet filled with dry cleaners, nail salons, and chain restaurants, Rocket and Groot face killer robots bent on customer service and raccoon eating toilets.

Buddy Burger escapes his home planet, lands in Hollywood, and is cast in a new television series, but must pretend his six eyes and suction-cup feet are the costume and his human skin, real.

Nine-year-old Morgan of the Pacific Northwest is fascinated with aliens and the sasquatch, but his real adventures begin when he meets Lewis, whose parents just bought a motel named the Sasquatch Inn.

Imagine being forced to move to a new planet where YOU are the alien! The first time I heard about Planet Choom, we'd been on Mars for almost a year. But life on the Mars station was grim, and since Earth was no longer an option (we may have blown it up), it was time to find a new home. That's how we ended up on Choom with the Zhuri. They're very smart. They also look like giant mosquitos. But that's not why it's so hard to live here. There's a lot...

On his eleventh birthday, Ty Sato gets a star named for him by his Japanese cousins, and is recruited by aliens from the planet Mrendaria to help save them from galactic humiliation in the Galaxy Games. Includes author's notes about Japanese culture and language.