Book #21 in the multiple New York Times best-selling Ring of Fire series. The uptimers and their allies take on the Ottoman Empire at its height of power. The modern West Virginia town of Grantville has been displaced in time to continental Europe in 1632. Now four years have passed. The long-feared attack on Austria by the Ottoman Empire has begun. Armed with new weapons inspired by the time-displaced Americans of Grantville, the Turks...