Discussion of changes to the Book of Mormon often settles into two opposing claims: either the book has remained essentially unchanged since 1830, or later editors rewrote it beyond recognition. The reality is that both positions carry a bit of truth. Although the main narrative remains recognizable, the book has changed in several distinct ways. Its wording and grammar were revised in the early editions.⁶ , ⁷ The chapter and verse system was reorganized in 1879, while chapter summaries were added in 1920.¹⁹ Those summaries and other study aids were revised again in 2013 and 2025.²⁰ , ²¹ Following these changes in chronological order makes their differences easier to see. The history begins with dictation in 1829 and continues through the original and printer’s manuscripts, the 1830 printing, Joseph Smith’s revisions, and the later editorial committees that produced the modern edition. Tracing that sequence also makes it possible to distinguish changes to the script...