Hey if you like audio books, you might want to check out this series I found:
Code:
www.thezombiepodcast.com
It's an action adventure and has some really great characters. Don't let the URL fool you, it's a very character driven genre.
Check out a 60 second radio spot here if you just want to taste it before you download, you won't regret it:
You can stream it or download it for free. Enjoy!