High Quality Content by WIKIPEDIA articles! The Memory of Earth (1992) is the first book of the Homecoming Saga by Orson Scott Card. The award-winning Homecoming saga is a loose sci-fi fictionalization of the first few hundred years recorded in the Book of Mormon. Humanity has lived for 40 million years on a planet called Harmony, after leaving an Earth that has been destroyed by human conflict. In order not to repeat the mistakes that led to the destruction of civilization on Earth, a computer, known as the Oversoul, was left as guardian of this planet.