A Course in Miracles has represented a quantum leap in my understanding of non-duality.
At first I worked with the original ACIM, as it was dictated to Dr. Helen Schucman. However, I found it time consuming to read that version, so I bought Elizabeth Cronkhite's plain language translations of the Text and Workbook. I prefer working with Liz Cronkhite's material, although I sometimes enjoy reading the two versions side-by-side.
As far as commentators on ACIM are concerned, I find Kenneth Wapnick to be very clear and accessible. I particularly appreciated his The Fifty Miracle Principles of 'A Course in Miracles'. He was a prolific author, and you can find many videos featuring him on You Tube.
Aside from the fact that she has translated ACIM into plain language, Liz Cronkhite is an inspiring author in her own right. I have found it very supportive to read 4 Habits for Inner Peace and Releasing Guilt for Inner Peace.
