World War II

Seethes across the planet. Hostilities spread in ever-widening circles of destruction: Nazi Germany, Soviet Russia, Britain, France, Japan, Italy, Africa - the fate of the world hung in the balance.

The Arrival of the Real Enemy

Then the real enemy arrives. Out of the skies comes an invasion force the like of which Earth has never known - and worldwar is truly joined. The invaders are inhuman and they are unstoppable. Their weaponry is overwhelming and their goal is simple: Fleetlord Atvar has arrived to claim Earth for the Empire.

Reviews

The wizard of If. Chicago Sun-Times

The standard-bearer for alternate history. USA Today