1636: The Ottoman Onslaught is a sequel to both the Viennese Waltz and the Saxon Uprising, picking up the plot threads of both novels. The Ottoman Empire begins its assault on the Austrian-Hungarian Empire. Meanwhile, Mike Stearns and the Third Division began their march towards Bavaria, intending to bring it under USE control. The Americans and their down-time Allies have fought off many obstacles to change history for the better. Yet, the greatest challenge comes from the Turks and their emperor, Murad IV.