This chapter is basically the meta-programming / DSL stuff if not by that name. It gives a good sampling of the overall feel for the book. Feedback is very welc

This chapter is basically the meta-programming / DSL stuff if not by that name. It gives a good sampling of the overall feel for the book. Feedback is very welcome. The book will be released under a CC license 9 months after it hits the shelves, so it will eventually be an open community resource.