Jackson, William. "Through the Soft Underbelly: January 1942-December 1945"
Divergence: 1943 CE
What if: The Western Allies concentrated on a southern European strategy rather than invading western Europe.
Summary: The US and Britain increase the scope of the 1943 invasion of Italy and also land forces in Greece, thereby persuading Turkey to attack Bulgaria. Subsequently, British forces invade Yugoslavia in January 1944 and the Americans land in southern France in June. Finally, they cooperate on an invasion of the Pas de Calais in August and the European war ends in December 1944.
Published: In The Hitler Options: Alternate Decisions of World War II (ed. Kenneth Macksey), q.v.