It is a really good book and series. However it is a little creepy. If you do not like creepy things I wouldn’t suggest this book. When I read this book a few years ago I had to stop halfway due to nightmares.
Everyone thinks that the apocalypse genre is overrated, but this is a fresh version, with one of the main characters fighting the parasite that is slowly trying to take over his mind while continuing on his journey. It gives a survival genre also