The final chapter in the Mahdi Trilogy. Flint Wolfe has navigated the onslaught of the jihad, but the Caliphate is still growing, waiting for the coming of the Mahdi. The jihad spreads to Europe and the United States. Flint's family, Dixie C. Dallas, even the secretive international cabal are threatened by the jihadists. No one is safe. The final stroke of doom comes with the Mahdi and his fiery challenge to the world. It is a moment that will redefine the world.