The Book of Revelation started as a letter to Seven Churches in Asia. This book is the Revelation of Jesus Christ. Apostle John, a best friend of Jesus, wrote these letters to show the different spirits of people. In each of the Seven letters, Jesus says, "Let anyone who has an ear listen to what the Spirit is saying to the Churches." The Church belongs to Jesus. The Book of Revelation brings Jesus' message to each one of us. There is a blessing at the beginning and a warning at the end of the book.