The Mormons Mormonism is a way of life that is practiced by members of the Church of Jesus Christ of Latter-day Saints. Over two-thirds of the church's membership is in the United States. However, members are also located in many other countries around the world. Mormons use the Bible, the Book of Mormon, and two other books or revelations to Joseph Smith, founder of the church. These other two revelations are the Doctrine and Covenants and the Pearl of Great Price. The Mormon organization consists of a three member First Presidency and a twelve man Council of Apostles who make up the major policy-making body of the church. Mormonism's founding do