Dawkins, Richard. The God Delusion (Boston: Houghton Mifflin, 2006). Says that all religions are equally bad and absurd.

Harris, Sam. The End of Faith: Religion, Terror and the Future of Reason (New York: W.W. Norton and Company, 2005). Warns against the threats of modern religions and calls religious moderation a false hope.

Hitchens, Christopher. God Is Not Great: How Religion Poisons Everything (New York: Warner Books, 2007). True to its title.