Pre-registration is not required, but makes it easier for us to assure that adequate course materials are available.
You are welcome to sit in on the first class session and decide at the end whether to pay the $25 registration fee. See here for details, including the double-your-money back satisfaction guarantee.
"It is not kings nor aristocracies, nor landowners nor capitalists, that anywhere really enslave the people. It is their own ignorance."
- Henry George