David’s extensive and beautifully organized assortment of audio teachings can be found at acim.me. The guide is split into three sections: the Textual content, the Workbook, and also the Handbook for Teachers. All are overflowing with realistic spiritual wisdom. Still the "engine place" from the Course is its day-to-day Workbook https://awakening-mind.org/resources/a-course-in-miracles/