In at the Death | Harry Turtledove
After launching World War II, the Confederate States of America is confronted by the bitter reality of imminent defeat, as the United States of America and its German allies make a final push to end the conflict, and CSA President Jake Featherston faces the decision of whether or not to unleash a desperate last ditch effort with the help of the ultimate weapon, a uranium bomb. Reprint. 25,000 first printing.