The Houdini Conspiracy: The Crusade Against Spiritualism

Crusades: The Hidden History of the Crusaders and the Conspiracies that Followed: 3 (History of the Knights and the Crusades)

Lincoln's Ghost: Houdini's War on Spiritualism and the Dark Conspiracy Against the American Presidency

The Knights Templar: The Hidden History of the Knights Templar: The Church’s Oldest Conspiracy: 1 (History of the Knights and the Crusades)

The Knights Templar, the Holy Grail, and the Cathars: Fabricated Conspiracy or History’s Greatest Secret Revealed (History of the Knights and the Crusades)