The Wastelands - The Wastelands, #1

When Ash wakes up in the destroyed and burning world, it's not just her memory that's missing. Mostly everyone is gone. Killed in their fight for survival against the flesh eating animal hordes. And when an ominous and all-seeing voice puts her life on bounty for her past crimes, she has to team up with a rogue roup of survivors to find their way out  of the city and discover the truth about her past.