Hello I only know of one book of Revelations in the Bible but it does have many different translations. Maybe a different translation made you think there was a new book written about Revelations. In Revelation 16:10 it speaks of secular governments of the world.
Modern English Version
10 The fifth angel poured out his bowl on the throne of the beast, and his kingdom was filled with darkness. They gnawed their tongues because of the anguish,