>>> Meet the heroine for the digital age.

Haylie Black, a 17-year-old hacker with a chip on her shoulder, has never met a system she couldn't crack. When her brother vanishes trying to solve a legendary Internet puzzle, Haylie knows that she's the only one who can track him down. But as she begins to unwind the mysteries behind each clue, she finds herself getting pulled deeper and deeper into a secret world she never could have imagined.

This award-winning thriller fuses action, tech, and a worldwide race against the clock to keep you turning pages and trying to stay one step ahead.