>Is this true? Most people in the Codebook community are under the impression that the framework is not free, and that you must purchase the book.
>

None of the Codebook community has ever asked me this question < g >, maybe I am just equivocating public domain with free. My understanding is that it is free, and in fact as I said in a previous message in this thread, we are putting out an updated version soon on our website.