This is lesson 40 of the Journey Bible Study Program series. The lesson objective is: to recall the main points of introductory information necessary for a proper understanding of the Book of Revelation and to describe the basic teaching found in it. Chapter 1 focuses on the introductory information or the code necessary to understand the book of Revelation. In chapter 2 we describe the revelation of Jesus Christ to the seven Churches. In chapter 3 we describe the message of encouragement which John addresses to persecuted Christians.