When her younger sister uses the family computer with its special wizard software to travel to worlds light years away, Nita uses her wizardry to try and find her.

In a war-torn future United States, fifteen-year-old Tessa, her childhood friend Gideon, now a traumatized military hero, and Dek, a streetwise orphan, enter enemy territory and discover the shocking truth about a war that began more than seventy-five years earlier.

After his escape from the sentient prison, Incarceron, Finn finds that the Realm is not at all what he expected, and he does not know whether he is to be its king, how to free his imprisoned friends, or how to stop Incarceron's quest to be free of its own nature.

Ray Santiago's friends from work know him as a brilliant-but-easygoing systems engineer who spends a lot of time on his favorite online role-playing game. But the game is over for Ray: his colleagues from work, Maude, Tim, and Turing, have just found out about Ray's murder in a dark alley. He was shot, and his laptop stolen. It could be just another D.C. street crime. But if Turing's password was in that computer-and it's fallen into the wrong hands-she...

In 22nd-century Great Britain, where climate change has caused vast flooding, the piratical Reavers kidnap the Prime Minister's daughter and thirteen-year-old Lilly Melkun, an English fisher-girl, takes her seacat on a daring rescue attempt, with a mysterious talking jewel from a past computer age tucked in her belt as ransom.

When Turing Hopper, Artificial Intelligence Personality and sleuth, uncovers information tied to criminal Nestor Garcia's long-dormant credit cards, she sends her human assistants to investigate, but when one of them becomes embroiled in murder, the A.I. detective must find a way to bring the guilty party to light.

Fourteen-year-old Jack North finds himself literally drawn into the frightening world of what he thinks is a new virtual reality game.

The story of an engineer who creates a device to raise a girl capable of thinking for herself and what happens when a young girl of the poor underclass obtains the device.