Links and Further Reading:
Books
Baggini, Julian. Atheism: A Short Introduction. Oxford University Press, 2003. ISBN: 0-19-280424-3
Dawkins, Richard. The God Delusion. Houghton Mifflin, 2006. ISBN: 0-618-68000-4
Harbour, Daniel. An Intelligent Person's Guide to Atheism. Duckworth Publishers, 2001. ISBN: 0-7156-2915-8
Russell, Bertrand. Why I Am Not a Christian. Touchstone, 1957. ISBN: 0-671-20323-1
Links/Websites:
American Atheists
The Atheism Fanlisting
The Secular Web
Disclaimer/note: I have read the books and recommend them. I haven't extensively read all of the websites, so if anyone comes across anything that is unsavory about any of the sites, please let me know. Also, if you have any sites or books to add, please email me: atheist [at] sneakingunder.com. Thank you.