Any member of the LDS Church has been told reasons why the Book of Mormon "just can't be true." One of the most common that seems to persist in folk culture is the myth that Sidney Rigdon wrote the Book of Mormon by basing it on the Spaulding Manuscript. The manuscript that Spaulding wrote and tried to sell to a publisher in 1812 contains the story of a group of ancient Romans that sail to the American continent and populate it. Sidney Rigdon supposedly read this manuscript during his acquaintane with the publisher, and used it as a basis for what would become the Book of Mormon. The first...