Another book that I had COMPLETELY forgotten what it was about when I picked it up, although I suspect it would not have mattered because this book is so much stranger than any cover copy might suggest. 
I have no idea how to talk about this book because so much of what it is doing - beyond telling a story of loss and hope - is trying to talk about what makes us the people we are. 
It’s not a zombie book, but it’s not NOT a zombie book. It’s doing similar things as a zombie book in asking what makes humans hume and what makes us us. Only much more interestingly. Similarly high body count though. 

The twist at the end was…something I saw coming but I don’t think you were supposed to be surprised. It worked just as well as impending dread. And part of what I like about the book is that it does not take sides in the question of who Max is. And the implications for everyone else are…I dunno. But they’ll live. They’ll live. And that’s the point.