Following the release of their first three international bestsellers Petrus Romanus, Exo-Vaticana, and On the Path of the Immortals Thomas Horn and Cris Putnam were swamped with interview requests from radio, television, and print media outlets around the world. When they accurately predicted the resignation of Pope Benedict XVI one full year in advance, even naming the very month and year he would step down, global shockwaves raised compelling questions regarding why the Vatican has an advanced telescope perched atop Mt. Graham in Arizona (USA) where the Jesuits admit they are monitoring something approaching Earth. Authors Horn and Putnam visited the mountain and spoke with the astronomers. After their second report was published in Exo-Vaticana, the pope s top astronomer took to the airwaves (and on the Vatican Observatory website) in an attempt to explain the role that he and other church astronomers are playing in regard to the LUCIFER device on Mt. Graham, as well as their developing doctrines concerning extraterrestrial life and the impact it may soon have on planet Earth s religions (Christianity in particular). Then, in the third book by Horn and Putnam, On the Path of the Immortals, the authors set out with cameras and field investigators to unearth their most astonishing discovery yet: Mt. Graham is a portal the Native Americans who fought the Vatican and NASA told them a gateway to another dimension. And, as the Vatican knows and the authors uncovered, it is not the only one. Even then, they had no idea what secrets the Vatican was shielding until now... FOR THEIR LAST ENTRY INTO THE 4-YEAR INVESTIGATION, THE FINAL ROMAN EMPEROR, THE ISLAMIC ANTICHRIST, AND THE VATICAN S LAST CRUSADE REVEALS... *Tom Horn s greatest prediction yet (this will shake the foundations of the world!) *The WMD that ISIS will use, and how it will lead to an Apocalypse *Petrus Romanus, Albert Pike, the Islamic State, and the coming Armageddon *Pope Francis becomes the Destroyer (or shall there be another?)... *The Last Crusade Agenda, hidden in plain sight *The prophecy of the Last Roman Emperor in the Vatican vaults *The prophecy of the Cumaean Sibyl on the Muslim s Mahdi *Giants, a hidden Vatican doorway, and the coming Battle for the Cosmic Mountain *Why many Christians, Muslims, and Jews will accept the Last Emperor as Messiah *Preparations by the Occult Elite and their Visions of the Final Roman Emperor