Understanding Revelation requires a firm grasp of world history, Old Testament prophecy, and biblical perspectives on what to do in a messy world. Without the first two, you can still be a good Christian, but you won't know what Revelation is about. Revelation has historical, ethnic, social, spiritual, and literary contexts that matter as you read its cryptic passages. If you want to know Revelation, you need to know all of these. Hopefully, this...