This is really a 3 volume set of publications: a text, a workbook plus a Instructor's manual, that I study from continually, and also have to the earlier 31 yrs. It has become 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