Horror ebooks

After the zombie apocalypse, a group of survivors are trying to get a 10 year old girl. who is immune to the virus that is bringing the dead back to life to kill and eat the living, to a place where she can be studied and a cure found.
it follows the survivors as they finally reach land and see how bad the devastation really is. In a land now populated by the dead, entire cities have been destroyed by fire and looting.
Running across another group of survivors, they agree to take them along as they make there way across a land full of the walking dead.