Oprah sits down with Sue Monk Kidd, author of the latest selection from Oprah’s Book Club 2.0, “The Invention of Wings,” on an all-new episode of “Super Soul Sunday” this Sunday, April 13 at 11 a.m. ET/PT on OWN: Oprah Winfrey Network. Immediately following at 12 p.m. ET/PT is “Chapter 4” of the groundbreaking series “Oprah & Eckhart Tolle: A New Earth,” where Oprah and Eckhart further explore the human ego.