"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...