by Monica Tesler
Twelve-year-old Jasper and his friends are the first group of cadets, called Bounders, to be trained as astronauts who use new spaceships to teleport, but soon are forced to go up against an alien society seeking revenge for stealing this brain-sync technology.
by Kevin Sylvester
Twelve-year-old Christopher Nichols and his family live on a new planet, Perses, as colonists of Melming Mining's Great Mission to save the earth. When Landers, as the attackers are called, obliterate the colony to steal the metal and raw ore, Christopher and a small group of survivors are forced into the maze of mining tunnels below the surface of Perses
by Patrick Carman
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.
by Sophia McDougall
Young Alice Dare is relieved that at last humans and the alien Morrors are now living peacefully together on Earth. But with an influx of too many Morrors, space is getting a bit tight. To make room for all the Morrors, they've been terraforming a cold little moon in the Alpha Centauri system -- and Alice and her friends are invited to the inauguration of the Morrors' new home! But just as they're approaching Alpha Centauri, the kids are kidnapped by the hostile Krakkiluks and must save themselves -- and the Eemala people in the process!
by John Kloepfer
You'd think saving the universe not once but twice would buy you a little time off. Not so for Kevin Brewer and his science-camp buddies. They've just got word that their favorite comic book author, Max Grayson, is in terrible danger--and so is the universe! The kids have no choice but to head to outer space to save their hero and prevent a diabolic breed of aliens from annihilating their home galaxy.
The Firefly Code
by Megan Frazer Blakemore
Mori and her friends live a normal life on Firefly Lane in Old Harmonie, a utopian community where every kid knows he or she is genetically engineered to be better and smarter, but when a strangely perfect new girl named Ilana moves in, the friends begin to question the only world they have ever known.
The Fog Diver
by Joel N. Ross
In this futuristic high-stakes adventure, humanity clings to cities on the highest mountain peaks above the deadly Fog, and airships transport the pirates of the skies. Daring 13-year-old tetherboy Chess and his salvage crew must face the dark plans of Lord Kodoc and work to save their beloved Mrs. E.
The Orphan Army
by Jonathan Maberry
In the future, bug-like aliens are taking over Earth and young Milo Silk learns through dreams and strange encounters that there are other, ancient monsters on the planet that are also threatened by the aliens, and that he may be the hero destined to lead his friends in saving the universe.
Under Their Skin
by Margaret Peterson Haddix
Twelve-year-old twins Nick and Eryn investigate why their mother and new stepfather are keeping secrets, why they are forbidden to meet their stepsiblings, and, most important, why their lives are in danger.