human-alien encounters

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

Fourteen-year-old Laurie and his family attempt to flee England when the Tripods descend from outer space and begin brainwashing everyone with their hypnotic Caps.

"The year is 2084 and the world has changed. Wracked by calamities and crawling with monsters, the last remaining humans face a dangerous existence. And now, the Earth has been sent a message from the deepest reaches of space - a dark countdown to the extinction of all humanity. But there is hope! Five thousand children will be rescued by these mysterious message-senders, to live a new life in the stars. This is the journey of Hototo, one of the lucky five thousand - but only if his teenage sister, Tala, can safely deliver him to the nearest Beacon before time runs out"--Back cover.

After Kurby accidentally broadcasts an ad for odd jobs across the galaxy instead of within the confines of the human's spaceship, he and his friend Risk receive a request to locate a missing alien girl.

"Jide, Petra, and their intergalactic friends are back on the Potato (their orbiting classroom) for another out-of-this-world adventure. Their latest space mission brings them to the home planets of their schoolmates, where pranks must be avenged, new terrains must be explored, and the patience of Commander G must be tested!"--From the publisher's web site.

During their latest mission. traveling to their classmates' home planets, Jide, Petra, and the other students prank each other, perform at an open mic night, and play a game of brgbllbll.

"The full moon's out on Halloween. The sky is starry bright. Above the state of Texas appears an eerie light. An unexpected visitor arrives in town! But who is he? What is he? And where did he come from? Read on if you dare!"--Provided by publisher.

"The full moon's out on Halloween. The sky is starry bright. Above the state of Florida appears an eerie light. An unexpected visitor arrives in town! But who is he? What is he? And where did he come from? Read on if you dare!"--Provided by publisher.

"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), 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 flying eyeball from outer space! At first they're excited to be going on an intergalactic space adventure, but when they arrive on Planet Eyeballia, they discover it's not at all a friendly place. Will the gang be able to escape and get back to Earth and write their book before time runs out?"--From the publisher's web site.

"Sometimes weird things happen to people. Ask Jake. He could tell you about the night he and his friends saw a strange light in the sky that seemed to be heading right for them. That was the night five normal kids learned that humanity is under a silent attack--and were given the power to fight back. Now Jake, Rachel, Cassie, Tobias, and Marco can transform into some of the most dangerous creatures on Earth. And they must use that power to outsmart an evil greater than anything the world has ever seen"--Provided by publisher.