Raised to succeed his grandfather as the Supreme Commander of the juggernaut Worldshaker, he has lived a pampered life on the Upper Decks. He has never questioned his place in the world or his bright and illustrious future. But when a Filthy girl stows away in his cabin, suddenly nothing is clear anymore. Quick and clever, Riff is nothing like the Filthies that Col always learned about—the dumb, slow, less-than-human folk who toil away Below, keeping Worldshaker moving. Filthies are supposed to be animal-like, without the power of speech or the ability to think for themselves—but Riff is clever and quick and outspoken, and Col is drawn to her despite himself.As Col begins to secretly spend more time with Riff, he begins to question everything he was raised to believe was true, and realizes that if Riff is right, then everything he was raised to believe is a lie. And Col himself may be the only person in a position to do something about it—even if it means risking his future.

    Leuthardt.Renowned neurosurgeon Dr. Hagan Maerici is on the verge of a breakthrough in artificial intelligence that could change the way we think about human consciousness. Obsessed with his job and struggling to save his marriage, Dr. Maerici is forced to put his life's work on the line when a rash of brutal murders strikes St. Louis.Edwin Krantz, an aging, technophobic detective, and his partner, Tara Dezner, are tasked with investigating the horrifying killings. Shockingly, the murders have all been committed by prominent citizens who have no obvious motives or history of violence. Seeking an explanation for the suspects' strange behavior, Krantz and Denzer turn to Dr. Maerici, who believes that the answer lies within the killers' brains themselves. Someone is introducing a glitch into the in-brain computer systems of the suspects—a virus that turns ordinary citizens into murderers. With time running out, this trio of unlikely allies must face a gauntlet of obstacles, both human and A.I., as they attempt to avert disaster.

    You've spent ten years on a spaceship learning how to be human, and now the end of your journey is in sight ...All you have to do is land safely, convince the earthlings that you're a real teenager, and start your new life on Earth. No problem. Except that the killer alien responsible for wiping out your people has hitched a lift. And it's just a matter of time before it starts on the human race ...