Who reveals the book of Revelation to John?
The book of Revelation is revealed to John by the Ascended Lord. The Holy Spirit was instrumental, but it was the Lord Jesus who was speaking and revealing these things. John wrote that great book of revealing things that had heretofore been unknown, and the Ascended Lord is the one who reveals it to him.
Les explains that the book of Revelation was given to John by the Ascended Lord. He contrasts this with people who claim special revelations above the Bible, refuting them from Hebrews 1:2: God, who spoke in times past through the prophets, has in these last days spoken unto us by His Son. That speaking is a past-tense, finished transaction; there is no further revelation. Just as Paul said the Lord Jesus Himself appeared to him and revealed things—the Holy Spirit being instrumental but the Lord Jesus speaking—so in Revelation the Ascended Lord is the one who reveals it to John.
The Revelation of Jesus Christ, which God gave unto him, to shew unto his servants things which must shortly come to pass; and he sent and signified it by his angel unto his servant John: