Determined to confront her nemesis, Lisbeth Salander closes in on her target to settle lifelong scores, while Mikael Blomkvist attempts to track her down and protect her, in spite of the fact that he is powerless against her enemies.

"Letty Davenport, the tough-as-nails adopted daughter of Lucas Davenport, takes on an undercover assignment that brings her across the country and into the crosshairs of a dangerous group of hackers. Letty Davenport's days working a desk job at are behind her. Her previous actions at a gunfight in Texas--and her incredible skills with firearms--draw the attention of several branches of the US government, and make her a perfect fit for even more dangerous...

"A group of teenage hackers has been conned into creating the most devastating virus the world has ever seen, and now it's up to them to take down the shadowy corporation behind it before it's too late"--

When hackers target locations all over London, Kat leads the City Spies in testing security for the British Museum where a secret message leads them to Egypt and the ancient City of the Dead.

After hacking into the Warcross Championships' opening game to track illegal betting, bounty hunter Emika Chen is asked by the game's creator to go undercover to investigate a security problem, and she uncovers a sinister plot.

"In a world where people are implanted with technology to recode their DNA, gene-hacking genius Cat must decrypt her late father's message concealing a vaccine to a horrifying plague"--

"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"--

Twelve-year-old Max is determined to investigate the connection between a hacker's online attacks of her grandfather and other town officials and suspicious activity at the supposedly haunted Thornwood Manor, even though her grandfather, who is Blue Creek's police chief, wants to keep Max and her souped-up wheelchair out of police business.

Computer whiz and professional criminal Kidd and his partner LuEllen investigate the murder of Kidd's old friend and hacker Bobby and the disappearance of his laptop, which contains secrets about Bobby's friends and colleagues, including Kidd.

After receiving a call from a trusted source claiming to have vital information to the United States, journalist Mikael Blomkvist turns to hacker Lisbeth for help.