Susan Simmons discovers that her teacher is an alien when she sees him peel off his face after class. Susan teams up with Peter, the smartest kid in their class, to halt the alien's plans to abduct the students at the school.

Living in isolation with a robot on what appears to be an alien world populated with bizarre life forms, a twelve-year-old human girl called Eva Nine sets out on a journey to find others like her. Features "augmented reality" pages, in which readers with a webcam can access additional information about Eva Nine's world.

Scrub arrives at his grandmother's Washington bed-and-breakfast only to discover she has opened the doors to aliens that arrive through off-Earth portals, and he must decide what to do when the local sheriff, already suspicious of Granny, notices some of the kids Scrub is chaperoning at a campout glow in the dark.

Our heroes are back. Kind of. First, the bad news: an ancient evil - you know, your standard consume-all-life-in-the-galaxy deal - is about to be unleashed. The good news? Squad 312 is standing by to save the day. They've just got to take care of a few small distractions first. Like the clan of gremps who'd like to rearrange their favourite faces. And the cadre of illegit GIA agents with creepy flowers where their eyes used to be, who'll stop at nothing...

Twelve-year-old Tip and her alien friend J.Lo take their spaceship Slushious and head to New Boovworld to clear J.Lo's name but J.Lo is received as an enemy and Captain Smek attempts to capture him to look good in the Boov's upcoming presidential election.

"The Alpha and Omega teams are in a race for the six essential elements that can fuse into a new source of clean energy, but the elements are scattered throughout the galaxy, and the teams are running out of time"--

"The Voyagers land on a planet made entirely of water where they must find the third element of the Source that will save the Earth"--

"Avani is the new kid in town, and she's not happy about it. Everyone in school thinks she's weird, especially the girls in her Flower Scouts troop. Is it so weird to think scouting should be about fun and adventure, not about makeovers and boys, boys, boys? But everything changes when Avani is 'accidentally' abducted by a spunky alien named Mabel. Mabel is a scout too--a Star Scout. Collecting alien specimens (like Avani) goes with the territory,...

Andy and Terry live in a 130-story treehouse. It used to be a 117-story treehouse, but they added another 13 stories. It has a soap bubble blaster, a time-wasting level, a 13-story igloo, the GRABINATOR (it can grab anything from anywhere at any time). It is a toilet paper factory, and an extraterrestrial observation center for observing aliens. As it turns out, though, it's Andy, Terry, and Jill who are being observed and then abducted by a giant...

To save his father, a Coalition scientist protecting a precious resource, after their ship is attacked, Leo stows away on a strange ship of mercenary space pirates and must decide who to trust- human or alien-to stay alive.