This is actually a 3 volume set of textbooks: a text, a workbook and also a Trainer's guide, which i read from repeatedly, and have to the earlier 31 several years. It is among the most important spiritual messages of our time. The Course combines 21st Century psychology with non-dualistic https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ