In this episode we sit down with award-winning author Brad Ricca to discuss his new book, Lincoln’s Ghost: Houdini’s War on Spiritualism and the Dark Conspiracy Against the American Presidency. Ricca takes us into one of the strangest and most gripping chapters of American history—when Harry Houdini waged a crusade against fraudulent mediums, séances, and a Spiritualist movement that reached all the way to the White House.