This collection includes articles by famous theologians on key issues that arise when studying the most mysterious book of the Bible - Revelation. These include an interpretation of the image of Christ as High Priest, an understanding of the scenes of worship in the heavenly sanctuary in chapters 4 and 5, an explanation of the vision of the trumpets, of the 144,000 redeemed, of the two witnesses, of the beast on which the harlot woman sits, and etc. The articles are intended to promote a better understanding of the book of Revelation by church ministers and a deep disclosure of its message in sermons and instructions.