Short and Sweet: I liked the books.
More details: The books are supposed to be written in a diary or journal format but the fact that there are conversations between characters kind of takes away from that, add in the log of their supplies at the beginning of the chapter and it gives more of the feeling log files you would find in a video game do where you find other survivors journal entries as you go. It's written in a way that reminds me of both classic radio plays where they could do a chapter a night or late 90s Monster Vision movies on TNT. The books aren't for everyone, some of the jokes will hit or miss based on how much you know about the different branches of the military or if you're offended by humor from the early 2000's to early 2010's. This is one of the few zombie series I've come across that isn't full of political connotations which I greatly appreciated. Plenty of action scenes that are much more realistic than most in the genre as well, Not everyone is a crack shot sniper super soldier in real life. The characters could use a little more depth but you can only do so much with 400 or so pages. Lastly I want to say that the narrator does a fantastic job of bringing the books to life and really giving it that gritty 80s - 90s zombie action movie feel.