"When teenage coder Emika Chen hacks her way into the opening tournament of the Warcross Championships, she glitches herself into the game as well as a sinister plot with major consequences for the entire Warcross empire"--

Cat thought the Hydra epidemic was over, but when new cases arise, she must team up with an enemy to fix the vaccine before the virus spirals out of control.

"Teen hacker Wick Tate has to decide between right and wrong as she tries to solve another murder and discover the truth about her mother's suicide"--

Hacker Ani Lee is researching a strange .wav file, while Joe Dyson, an operative working for a secret teen division of British Inteligence, is looking into the disappearance of a friend caught up in the underground music scene. Their investigations intertwine.

Tom Swift and his friends at the Swift Academy work together to retrieve a drone that was taken by the custodian, Mr. Conway, who they believe is a notorious hacker.

"Cat is desperate to find a way to stop Cartaxus and the plague, but to do so, she'll have to face her most devastating enemy yet"--

When someone steals an "app" that Amy wrote and profits from it, Tom and his friends use a robot to help catch the thief.

The South Asian Province is split in two. Uplanders lead luxurious lives inside a climate-controlled biodome, dependent on technology and gene therapy to keep them healthy and youthful forever. Outside, the poor and forgotten scrape by with discarded black-market robotics, a society of poverty-stricken cyborgs struggling to survive in slums threatened by rising sea levels, unbreathable air, and deadly superbugs. Ashiva works for the Red Hand, an underground...

Dominica's private school is covered in cameras, and someone is hacking into them and posting embarrassing moments for the whole school to see. Like Ana picking her nose. When Dominica quickly changes her shirt from inside out in what she thinks is the privacy of a quiet corner in the library, she's shocked -- and embarrassed -- to discover a video has captured this and is currently circulating amongst her schoolmates. So mortifying, especially since...