David’s substantial and superbly structured assortment of audio teachings are available at acim.me. The e-book is divided into a few sections: the Textual content, the Workbook, and also the Handbook for Instructors. All are overflowing with useful spiritual wisdom. Nonetheless the "motor area" in the Course is its daily Workbook https://awakening-mind.org/resources/a-course-in-miracles/