Eleven-year-old Ruby, a Black girl who loves studying insects, accidentally captures an alien bug, but when the creature escapes and starts wreaking havoc around the neighborhood, it is up to Ruby and her rag-tag group of friends to find this new invasive species before the feds do.

Young alien agent Zack joins an archaeological dig in Mongolia to ensure that there is no trouble from the dinosaur-like scientists from Vraj's home planet who are on a similar dig nearby.

"Lucky thinks he's an ordinary Human boy. But one night, he dreams that the stars are singing - and wakes to find an uncontrollable power rising inside him. Now he's on the run, racing through space, searching for answers. In a galaxy at war, where Humans and Aliens are deadly enemies, the only people who can help him are an Alien starship crew - and an Alien warrior girl, with neon needles in her hair. Together, they must find a way to save the galaxy....

Portia is bright beyond her years, which means it difficult to make friends in her new school, and her single mother is preoccupied, so when Portia sneaks into the woods after midnight and discovers a shy and sweet purple monster, she is delighted by her new friend--but Jellaby has secrets of his own.

Tsynq Yr, a Sylon scout and pilot, is flying a stolen spaceship behind the enemy lines of the Zarnk Empire. In the course of evading a Zarnk battleship, the Sylon crash-lands his vessel on Earth. Grave injuries force him to abandon his body and assume the form of the only available host - a skunk! The alien's luck improves when he chances to meet Karen, a girl who dreams of space adventure. Thanks to his powers of telepathy, he can communicate with...

Twelve-year-old Arcturus Betelgeuse Chambers' quest to find life on other planets seems at an end when his parents decide to move to Las Vegas, but while they look for a house he stays with his neighbor, an astronaut who soon becomes a friend.

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.

When Amelia's parents decide to reopen a creepy old hotel, Amelia and her new friend Charlie quickly discover that the place is much more than it seems. The Gateway is no ordinary hotel - and its guests aren't just visiting from other cities and towns!

The Gateway Hotel is open for business, and Amelia and Charlie are awaiting their newest intergalactic arrivals, the fearsome Warriors of Brin-Hask. But the kids soon discover that the Brin-Hask aren't their only new guests. A plague of rats has infested the hotel's kitchen, but these are no ordinary rats ...

Unhappy at being sent to stay with his "hippie" grandmother at the inn she operates, The Intergalactic Bed & Breakfast, Scrub discovers that each room is actually a portal to space and the inn's visitors are aliens who are vacationing on Earth.