In the Book of Mormon, Ether is one of the last surviving Jaredites, and is believed by Latter-day Saint theology to be the author of the original Book of Ether. Book of Mormon: Another Testament of Jesus Christ (The Church of Jesus Christ of Latter-day Saints edition) The Book of Mormon is one of four sacred texts of Mormonism, which also include the Bible, Pearl of Great Price, and Doctrine and Covenants. ... The Jaredites are an alleged ancient people of the Americas, whose existence is mainly accepted by Latter Day Saints. ... Mormonism (also called Latter Day Saint theology or Mormon theology and Latter Day Saint culture or Mormon culture) is a religion, ideology, movement, and subculture originating in the early 1800s as a product of the Latter Day Saint movement. ... The Book of Ether is one of books that make up the Book of Mormon. ...
While Mormon likely intended Ether to be included, the structural evidence from the text suggests that it was to be included as an appendix, rather like the 1 Nephi to Omni material was also inserted as an addition to Mormons text, not as an integral part of the text.
Ethers authority is established through the connection to the past, but the focus is still on Ether and his times.
In Ether's account, the confounding of people is not to be separated from the confounding of their languages; they are, and have always been, one and the same process: the Lord, we are told (Ether 1:35-37), "did not confound the language of Jared; and Jared and his brother were not confounded.