This is really a three quantity list of guides: a text, a workbook plus a Instructor's guide, which i read from constantly, and also have to the previous 31 years. It is probably the most important spiritual messages of our time. The Course combines 21st Century psychology with non-dualistic metaphysics. https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ