You can learn a lot about someone looking through their hard drive... Sixteen-year-old Jan Rose knows that nothing is ever truly deleted. At least, not from the hard drives she scours to create the online identities she calls the Shadownet. Hobby? Art form? Sad, pathetic plea to garner friendship, even virtually? Sure, Jan is guilty on all counts. Maybe she’s even addicted to it. It’s an exploration. Everyone has something to hide. The Shadownet’s hard drives are Jan’s secrets. They're stolen from her family’s computer recycling business Assured Destruction. If the police found out, Jan’s family would lose its livelihood. When the real people behind Shadownet’s hard drives endure vicious cyber attacks, Jan realizes she is responsible. She doesn’t know who is targeting these people or why but as her life collapses Jan must use all her tech savvy to bring the perpetrators to justice before she becomes the next victim. "Stewart offers up an engrossing read about hacking, computers, and the underbelly of the technological world. He has created a strong character in Jan, who the reader cheers on as she does all she can to save her friends and family. While the protagonist is a young woman, an older audience will still find much to enjoy in Jan’s journey."—Library Journal. "A fun, fast-paced thriller guaranteed to distract teens from Facebook ..." —Kirkus Reviews

Jan Rose no longer steals data from the old computers she recycles. She doesn't need to. As the newest member of the police department’s High Tech Crime Unit, the laptop of a murderer has landed on her desk. Her job: to profile and expose a killer. But that’s not all. A creep lurks in the shadows, stalking a friend, and Jan must stop him before the hunt turns deadly. The clock counts down for Jan to save her friend, her job, her boyfriend-maybe even her life.

The final book in the Assured Destruction series! Jan Rose may already be expunged from the police department's High Tech Crime Unit. Her mother's hospitalized, and Assured Destruction's on the cusp of bankruptcy. But Jan doesn't wait on anything, she seeks out the customers who used to keep the family business afloat. That's when everything starts to go wrong. A computer virus—aka the Zombie Worm-threatens not only her school and Shadownet, but the entire city. A skull with a chain running through its socket links a powerful gang to her former customers, and holds the secrets to why her father left and the identity of her mother's boyfriend. To save her family and the business, Jan must determine who is friend and who is foe. And decide what type of hacker she wishes to become: Gray, white, or black. Not only her life hangs in the balance.