Jonah Barnes is a Latter-day Saint author, researcher, and speaker known for his engaging exploration of apocryphal literature, ancient scripture, and the Book of Mormon. His bestselling books, The Key to the Keystone: How Apocryphal Texts Unlock the Book of Mormon's Brass Plates, and The Lost Gems of Genesis: How apocryphal Texts Prove Joseph Smith Fixed the Bible examine connections between newly available ancient texts and the teachings found in the Restoration.

In addition to his work on ancient scripture, Jonah has authored family-history-centered books including Turning Little Hearts and I Am My Ancestors, helping families connect with their heritage and faith.

A husband and father of six, Jonah lives in the Pacific Northwest, where he balances family life, business pursuits, and ongoing research into the ancient world and the Restoration of the gospel of Jesus Christ. Known for combining rigorous study with humor and accessible storytelling, he has become a popular guest on Latter-day Saint podcasts, conferences, and educational events.