"A lone astronaut. An impossible mission. An ally he never imagined. Ryland Grace is the sole survivor on a desperate, last-chance mission--and if he fails, humanity and Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions...

Decades after her grieving father, a laid-off NASA scientist, triggers chaotic changes in his pursuit of life-extending technology, an astronaut confronts dangerous family secrets to stop a world-threatening crisis.

When an Earth-like planet is discovered, a team of six teens, along with three veteran astronauts, embark on a twenty-year trip to set up a planet for human colonization--but find that space is more deadly than they ever could have imagined.

Earth's population is divided between only two existing countries which cannot manage to cooperate in any way, until a distress signal arrives from Titan's first settler. Neither country can afford to rescue her on their own if they act separately. Ambrose wakes up on board the Coordinated Endeavour under strange circumstances: he doesn't remember the launch, the ship's OS is voiced by his mother, strangers have been aboard, and Kodiak, the only other...

"When evil forces are going unchecked on earth, a principled astronaut makes a spilt-second decision to try and seek justice in the only place she knows how to--the international space station. Walli Beckwith is a model astronaut. She graduated at the top of her class from the naval academy, had a successful career flying fighter jets, and has spent over three hundred days in space. So, when she refuses to leave her post at the international space...

"The distant world Artemis is a pleasure planet created out of bare rock by a technologically advanced human empire that provided its richest citizens with a veritable Eden to play in. All tech was concealed and the animals (and the humans brought to live there) were bioengineered to help the guests enjoy their stay. But the Empire was shattered in a horrific war; centuries later humanity has lost much of their advanced technology, and Artemis is...

Ten years ago, Hell Diver Xavier "X" Rodriguez fell to Earth. Those he left behind went on without him aboard the airship he once called home. Michael Everhart -- the boy once known as Tin -- has grown into a man and the commander of Hell Diver Raptor Team. While Michael dives to help keep the Hive in the air, Captain Leon Jordan rules with an iron fist at the helm of the ship. But unrest stirs under his strict leadership as a prophecy of hope sweeps...

"Luciana Vega wants to be the first kid on Mars. But first she's got to be a good team player here on Earth."--Page 4 of cover. In her second novel, Luciana is off to youth astronaut training camp! She hopes to be chosen to dive to an underwater habitat where real astronauts train for life in space. But when Luci accuses her diving partner of sabotage, no one believes her and her chances of making the diving team sink fast. Things hit rock bottom...