Nax's one-way trip back to Earth is cut short after the school is hijacked by terrorists. Now he and a handful of other space Academy washouts are the only surviving pilots. In order to spread the truth about the attack, Nax and his fellow failures must execute a dangerous heist.--

In the year 2024 Vice President Charlie Haskell is at the new American Moonbase for its opening ceremonies when an amateur astronomer discovers a gigantic new comet headed straight towards the Moon. With only five days until impact evacuation of all personnel seems improbable and the panic on Earth is of epic proportions.

Enslaved on an uninhabited planet by the alien Eosi, Kristin Bjornsen and her fellow humans not only survived against all odds to colonize the world now known as Botany, but liberated themselves from their captors and claimed it as their home…
 
The colonists could not have achieved victory without the help of the exiled Catteni alien, Zainal, who helped Kris contact other races subjugated by the Eosi, and inspired the rebellion...

Descendants of a marooned couple on an inhospitable planet with only one tiny ecological niche outgrow it and are forced to deal with the consequences.

1950 science fiction story collection by Ray Bradbury that chronicles the colonization of Mars by humans fleeing from a troubled Earth, and the conflict between aboriginal Martians and the new colonists.

One-hundred-and-fifty years from now, the moon and Mars are settled, and colonies stretch all the way out to the edge of the solar system. But something has come to light on the Moon--secrets that could change everything--or tear this near utopia apart.

"Generations after leaving earth, a starship draws near to the planet that may serve as a new home world for those on board. But the journey has brought unexpected changes and their best laid plans may not be enough to survive"--

Offered a dream job escorting a teenage heir on a fabulous moon role-playing vacation, Scotty Griffin, a personal security specialist, becomes embroiled in a violent reality game involving armed terrorists, psychological tests, and a large audience.

Hugo Award winner Charles Stross delivers a brilliant space opera replete with groundbreaking concepts and energized by an imaginative vision of the future. In the 21st century, the perfection of faster-than-light travel and the rise of a prodigious artificial intelligence known as the Eschaton altered the course of humankind. Now, far off in the vastness of space, the technology-eschewing New Republic is besieged by an alien information plague. Earth...

The Ender Saga continues with Shadow of the Giant, which parallels the events of Ender's Game from a different character's point of view.
Bean's past was a battle just to survive. He first appeared on the streets of Rotterdam, a tiny child with a mind leagues beyond anyone else. He knew he could not survive through strength; he used his tactical genius to gain acceptance into a children's gang, and then to help make that

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