I happen to enjoy Post-Apocalyptic books that are due to EMP rather than virus induced zombies and this series is no exception. I enjoy the characters but you need to listen or read book 1 Survive the Chaos first to get to know them well. Look forward to next book to find out if the Doc opens the files on thumb drive and where they end up. I was given this free review copy audiobook at my request and have voluntarily left this review. Thank you