Bartlett Publishing has put together several lists of books available from many various publishers which are essential reading for anyone interested in the topic. Check them out today!
You can view the articles from the blogs which preceded these at the following URLs:
In a situation which must be as embarrassing as being caught with your zipped down (a situation many people have had to discreetly let me know about in my life), Sam Harris commits the is/ought fallacy in a public place, on an Internet-televised Ted talk.
If you're interested, I posted my critique on UncommonDescent. Alan McNeil's post was also interesting.