A zombie apocalyptic novel about a girl who embarks on a treacherous journey, watching the world as she knows it crumble to a deserted wasteland. There's living, then there's them. A population of ravenous dead people. Always on the run, Cassidy and her group fight for survival; something she's been forced to inhabit, doing so in order to not just live, but build a community for herself and her group. But people change. And as she soon discovers, no one can be trusted any more.