Personally i found this book boring. As Nos once said more like world war zzzzzzzzzzzzzz. Check out the Walking Dead Compendium it's must more exciting and fun. It includes book 1-49 of the comics. I gave up on World War Z about half way through. It's like reading 100 short stories.
"Some people are born to use a chainsaw. Me. Well I got one attached to me. "