The last book in the New Testament, consisting of a revelation given to John the Apostle. He was permitted to see the history of the world, especially the last days (Rev. 1: 1-2; 1 Ne. 14: 18-27; D&C 77). The Revelation of John is also known as the Apocalypse.

John received this revelation on the Lord's day on the isle of Patmos (Rev. 1: 9-10), off the coast of Asia, not far from Ephesus. The exact date of the revelation is not known.

Keys to understanding the book are included in 1 Nephi 14: 18-27 and D&C 77 (Ether 4: 15-16).

Chapters 1-3 are an introduction to the book and letters to the seven churches in Asia. John wrote the letters to help the Saints resolve certain problems. Chapters 4-5 record visions that John received showing the majesty and righteous power of God and Christ. In chapters 6-9, 11, John recorded seeing a book sealed with seven seals, each seal representing one thousand years of the earth's temporal history. These chapters deal primarily with events contained in the seventh seal (see Rev. 8-9, 11: 1-15). Chapter 10 describes a book that John ate. The book represents a future mission that he would perform. Chapter 12 records a vision of the evil that began in heaven when Satan rebelled and was cast out. The war that began there continues to be fought on earth. In chapters 13, 17-19, John described the wicked earthly kingdoms controlled by Satan and recorded their fate, including the final destruction of evil. Chapters 14-16 describe the righteousness of the Saints in the midst of evil just before the second coming of Christ. Chapters 20-22 describe the Millennium, the beautiful city of New Jerusalem, and the final events of the earth's history.