"Cassie Sullivan, the survivor of an alien invasion, must rescue her young brother from the enemy with help from a boy who may be one of them"--

Yelfred and Omek of planet Boborp are best frints, even when they have disagreements.

Scarlet Benoit and Wolf, a street fighter who may have information about her missing grandmother, join forces with Cinder as they try to stay one step ahead of the vicious Lunar Queen Levana in this story inspired by Little Red Riding Hood.

"When a guard discovers an unusual life form on her remote moon outpost, she disregards protocol to investigate, with catastrophic consequences. The parasitic alien wears its victims' skins and adopts their personalities. It's a perfect disguise, and allows the creature to spread without being detected. By the time humanity realizes it's facing extinction, a third of its space stations have already gone dark. As the alien's ruthless progress collapses...

"Everyone is curious about life in the Universe, UFOs and whether ET is out there. Over the course of his thirty-year career as an astrophysicist, Adam Frank has consistently been asked about the possibility of intelligent life in the universe. Are aliens real? Where are they? Why haven't we found them? What happens if we do? We've long been led to believe that astronomers spend every night searching the sky for extraterrestrials, but the truth is...

Introduces the superheroes who comprise the Guardians of the Galaxy.

After facing off with the Mogadorian ruler and almost being annihilated, the Garde go into hiding. They must learn to master their Legacies and learn to work together as a team. When they receive a sign from Number Five -- a crop circle in the shape of a Loric symbol -- they know they are close to being reunited. But could it be a trap? Time is running out, and the only thing they know for certain is that they have to get to Five before it's too...

"When Rosemary Harper joins the crew of the Wayfarer, she isn't expecting much. The patched-up ship has seen better days, but it offers her everything she could possible want: a spot to call home, a chance to explore the far-off corners of the galaxy and some distance from her past. And nothing could be further from what she's known than the crew of the Wayfarer."--Page [4] of cover. Rosemary Harper doesn't expect much when she joins the crew of...

An unlikely friendship develops when Stephen takes in an abandoned alien as his guest.

After a meteorite lands in the front yard of their farm, Nathan Gardner and his family find themselves battling a mutant extraterrestrial organism as it infects their minds and bodies, transforming their quiet rural life into a living nightmare.