These are book-length collections of my talks, publications, presentations and other writings. Most of them have not been formally published, and may never be, because my priority is to make open-access versions available. Over time I'll make them available in more formats.
The Commonwealth of Learning (COL) Open Schools Initiative launched an Open Educational Resources (OER) Project to provide materials under the Creative Commons licence agreement to support independent study in 17 specially selected secondary school subjects. Funded by the William and Flora Hewlett Foundation its aim is to broaden access to secondary education through the development of high quality Open Distance Learning (ODL) or self-study materials.