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:
Tim Heaton wrote a number of criticisms of young-earth Creationism in a recent paper in the journal Science and Education. Tim has been kind enough to discuss the paper over at Paul Garner's blog. He also posted a copy of that paper and one other.
Anyway, it would be worth your while to read the paper, Paul Garner's post, and the comments.