Two Fronts (The War That Came Early, Book Five)

Author  Harry Turtledove
Two Fronts (The War That Came Early, Book Five)

In 1942, two nations switch sides—and World War II takes a horrifying new course.
 
In the real world, England and France allowed Adolf Hitler to gobble up the Sudetenland in 1938. Once Hitler finished dismembering Czechoslovakia, he was ready to go to war over Poland a year later. But Hitler had always been eager to seize Czechoslovakia, no matter the consequences. So what if England and France had stood up to the Nazis from the start, and not eleven months later? That is the question behind the War That Came Early series.
 
Four years later, the civil war in Spain drags on, even after General Franco’s death. The United States, still neutral in Europe, fights the Japanese in…