One of my youngest son's fears, which he recognizes as improbable, but perhaps not unreasonable, is a zombie attack. I know how this sounds, there are a lot of things in the world to worry about, why zombies? If you too worry about what a zombie attack would be like, and what the aftermath could be like, I would recommend World War Z. I recently finished the book and thought it was very good. And, much to my surprise, it made me think about what a comfort most of our lives have become in this country. I know, there is poverty and needs galore in this country, but we have come a long way in the past couple hundred years. I really didn't mean to pontificate about this subject. Look at the website, if it looks good to you, read it.