Harry Turtledove

In 1920, as veterans question the very nation they fought for, socialist Upton Sinclair challenges Teddy Roosevelt for the presidency....

War seethed across the planet. Machines soared through the air, churned through the seas, crawled across the surface, pushing ever forward, carrying death....

After the extinction asteroid doesn't strike Earth, the dinosaurs keep evolving - but so do the mammals....

Set in the same universe as the Worldwar series, the Colonization series brings us to Earth in the 1960s, where four superpowers rule....

The New York Times best-selling master of alternate history delivers the captivating first novel in his new World War II series....

In the 21st century, Germany's Third Reich continues to thrive after its victory in World War II - keeping most of Europe and North America under its heel. But within the heart of the Nazi regime, a secret lives....

No one could stop them - not Stalin, not Togo, not Churchill, not Roosevelt....

A dashing master spy takes on the enemies of the Byzantine Empire and discovers impossible inventions like gunpowder and telescopes in a magnificent romp from the maestro of alternate-history science fiction....

January 1864: General Robert E. Lee faces defeat. The Army of Northern Virginia is ragged and ill-equipped. Gettysburg has broken the back of the Confederacy....

Communist China, Japan, Nazi Germany, the United States: they began World War II as mortal enemies....