"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"--

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.

Teen CIA operative Jake Morrow, on a "pity assignment" after a dangerous misjudgment on his first mission, refuses to leave after his cover is blown without catching the hacker who is out to kill him.

"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"--

Cassie Mckinney has always believed in the Hive. Social media used to be out of control. People were torn apart by trolls and doxxers. Even hackers like Cassie's dad were powerless against it. But then came the Hive. A better way to sanction people for what they do online. Cause trouble, get too many "condemns", and a crowd can come after you to teach you a lesson in real life. It's safer, fairer, and perfectly legal. Entering her senior year of high...

For seventeen-year-old Opal Hopper, code is magic. She builds entire worlds from scratch: Mars craters, shimmering lakes, any virtual experience her heart desires. But she can't code her dad back into her life. When he disappeared after her tenth birthday, leaving only a cryptic note, Opal tried desperately to find him. And when he never turned up, she enrolled at a boarding school for technical prodigies and tried to forget. Until now. Because WAVE,...