I can see it now:
REG101 Why Christianity is evil
REG102 why Druidism is good
REG103 why we never, ever criticize Islam
REG104 Why smart people hate christianity
Almost. They are usually wiser than serpents:
REG101: How Christians got it wrong.
REG102: Druidism in the Old Testament.
REG103: Islamic criticism of the New Testament
REG104: Violence and Christianity in the Middle Ages