"Who am I? My name is Christy Snow. I'm seventeen and I'm about to die. I'm buried in a coffin under tons of concrete. No one knows where I am. My heart sounds like a monster with clobber feet, running straight toward me. I'm lying on my back, soaked with sweat from the hair on my head to the soles of my feet. My hands and feet won't stop shaking. Some will say that I m not really here. Some will say I'm delusional. Some will say that I don't even...

Seventeen-year-old Nyah Parks is a genius hacker who makes a living by cracking the firewalls of the world's largest corporations. But when the biggest job of her life goes wrong, she's plunged into a desperate situation with only one way out: one last hack that will either save her or kill her.