Upsetting the Balance (Worldwar, Book Three)

Russia, Communist China, Japan, Nazi Germany, the United States: they began World War II as mortal enemies. But suddenly their only hope for survival—never mind victory—was to unite to stop a mighty foe—one whose frightening technology appeared invincible. Far worse beings than the Nazis were loose. From Warsaw to Moscow to China's enemy-occupied Forbidden City, the nations of the world had been forced into an uneasy alliance since humanity began its struggle against overwhelming odds. In German