David’s comprehensive and wonderfully arranged assortment of audio teachings can be found at acim.me. The ebook is split into 3 sections: the Text, the Workbook, as well as the Manual for Lecturers. All are overflowing with simple spiritual wisdom. Yet the "engine home" on the Course is its day-to-day Workbook https://awakening-mind.org/resources/a-course-in-miracles/