You are hereUCG.org / Sermons / The Greatest Issue in the Book of Revelation The Greatest Issue in the Book of Revelation Given on Jan 12, 2013 by Donald Ward Listen Downloads MP3 Audio (15.29 MB) Downloads The Greatest Issue in the Book of Revelation MP3 Audio (15.29 MB) × Who will you worship? This is the main issue or conflict covered in the book of Revelation.