"High school senior Cara Sweeney gets more than she bargained for when she agrees to participate in earth's first intergalactic high school exchange program"--

Cara and Aelyx maintain their extremely long-distance relationship, with Cara continuing as an exchange student and becoming human representative to a panel preparing for a human colony on L'eihr and Aelyx working on a campaign to improve human-L'eihr relations, which soon makes him a target of extremists.

After heroically saving his classmates, fifth-grader Sawyer's life as a dinosaur-human hybrid has gotten a lot easier until Sawyer, Sylvie, who is part Martian, and Elliot head to Mars in search of Sylvie's missing dad and discover that Mars is trying to kick Pluto out of the solar system.

After a year on Mars, a young boy and his family migrate to the planet Choom, but the inhabitants of Choom, the Zhuri, who look like giant mosquitoes, don't really like humans and it up to the boy and his family to change their minds if they hope to survive.

When he takes a ride in a UFO to meet Janet, the head alien, Rappy must decide whether to live with her on Mars or return home.

When the peaceful alien-run government decides to simply withdraw from Earth, it seems that the terrorist group Sapience is going to get the "free" Earth it wanted; but Donovan Reyes, member of the security forces, and once a prisoner of Sapience, realizes that freedom comes with a price--other alien races want to strip the planet of its resources, and if anyone is going to survive, what is left of the security forces and Sapience have to work together....

Twins Axl and Ivan, with Sid as their driver, make a late-night fast-food run for a high school theater crew but return to discover that aliens have made copies of everything.

Seven-year-olds Bradley, Brian, Nate, and Lucy make observations and gather clues that convince them that their older siblings, cousin, and animals have been captured by hungry space aliens.

After escaping his oppressive red dwarf planet and landing a role on a popular Hollywood sitcom, Buddy Burger seems destined for high-flying success. His legions of fans love his six eyes, his suction cup feet, and even his excessive need for avocados. It seems nothing can stop his rise to super-stardom?until the arrival of Citizen Cruel, a shape-shifting Squadron member sent from Buddy?s home planet to bring him back by any means necessary. Will...

"No one is shocked by the six-eyed alien strolling around the Universal back lot. The tourists just think he's part of the show. It doesn't take long for Buddy to land a role on a popular TV show, playing (of course) an alien. He becomes an overnight heartthrob and is suddenly faced with legions of adoring fans, rides in glamorous limos, and appearances at "all-the-shrimp-you-can-eat" red carpet parties. But can Buddy maintain his secret identity...