Harry Turtledove

At the bloody height of World War II, the deadliest enemies in all of human history were forced to put aside their hatreds and unite against an even fiercer foe:

No one could top their power--not the Germans, not the Japanese, not the Russians, not the United States. From Pearl Harbor to panzers rolling through Paris to the Siege of

In this first alternate history novel of the sequel series to the acclaimed "Worldwar" saga, the space race is in its infancy in the 1960s and Earth faces alien colonization.