Authors:

Some, in their curiosity, will say, "But you Mormons have another Bible! Do you believe in the Old and New Testaments?" I answer we do believe in the Old and New Testaments, and we have also another book, called the Book of Mormon. What are the doctrines of the Book of Mormon? The same as those of the Bible.

Brigham Young (1992). “The Essential Brigham Young”
Some, in their curiosity, will say, But you Mormons have another Bible! Do you believe in the Old and New Testaments? I answer we do believe in the Old and New Testaments, and we have also another book, called the Book