In this novel of alternative history from best-selling author Harry Turtledove, the Spanish Armada has conquered England, King Phillip holds the English throne, and Elizabeth I languishes as a prisoner in the Tower of London. Meanwhile, in London, a mysterious stranger approaches young playwright William Shakespeare with an offer that could change the course of history.

Menedemos, the young dashing sea captain, and his helper, the scholarly Sostratos, are sea-traders from the Greek island of Rhodes. Fearless sailors, they will travel any distance to make a profit or to search for rich treasures. While they trade in fineries such as wine and silk (and even, to the chagrin of many, peacocks), they live in dangerous times with pirates, thieves, and barbarians.

As Britain faces the full fury of the Nazi war machine, hope comes in the form of American volunteers called the Eagle Squadrons. As these units join their RAF cousins during the Battle of Britain, famous woman aviator Amelia Earhart (who survived her world-circling flight) emerges as a rallying point for those willing to stand against fascism.

It's 1974, and Jerry Stieglitz is a grad student in marine biology at UCLA with a side gig selling short stories to science fiction magazines, just weeks away from marrying his longtime fiancée. Then his life is upended by grim-faced men from three-letter agencies who want him to join a top-secret "Project Azorian" in the middle of the north Pacific Ocean—and they really don't take "no" for an answer. Further, they're offering enough money to solve all of his immediate problems.

What if mankind's "missing link", the apelike Homo erectus, had survived to dominate a North American continent where woolly mammoths and saber-toothed tigers still prowled while the more advanced Homo sapiens built their civilizations elsewhere? Now imagine that the Europeans arriving in the New World had chanced on these primitive creatures and seized the opportunity to establish a hierarchy in which the sapiens were masters and the "sims" were their slaves.

President Herbert Hoover has failed America. The Great Depression that rose from the ashes of the 1929 stock market crash still casts its dark shadow over the country. Despairing and desperate, the American people hope one of the potential Democratic candidates - New York governor Franklin D. Roosevelt and California congressman Joe Steele - can get the nation on the road to recovery.

In the extraordinary Worldwar tetralogy, set against the backdrop of World War II, Harry Turtledove, whom Publishers Weekly has called the "Hugo-winning master of alternate SF," wove an explosive saga of world powers locked in conflict against an enemy from the stars.

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. Under a perfect Aryan facade, Jews survive - living their lives, raising their families, and fearing discovery....

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 and decimated its manpower. Then, Andries Rhoodie, a strange man with an unplaceable accent, approaches Lee with an extraordinary offer. Rhoodie demonstrates an amazing rifle: its rate of fire is incredible, its lethal efficiency breathtaking - and Rhoodie guarantees unlimited quantities to the Confederates. The name of the weapon is the AK-47.

What would happen if the ancient prophecy of the End of Days came true? It is certainly the last thing Eric Katz, a secular archaeologist from Los Angeles, expects during what should be a routine dig in Jerusalem. But perhaps higher forces have something else in mind when a sign presaging the rising of the Third Temple is located in America, a dirty bomb is detonated in downtown Tel Aviv, and events conspire to place a team of archaeologists in the tunnels deep under the Temple Mount.

A supervolcanic eruption in Yellowstone Park sends lava and mud flowing toward populated areas, and clouds of ash drifting across the country. The fallout destroys crops and livestock, clogs machinery, and makes cities uninhabitable. Those who survive find themselves caught in an apocalyptic catastrophe in which humanity has no choice but to rise from the ashes and recreate the world.

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.

Loyally accompanying a mysterious knife-wielding gentleman named Jack on his midnight rounds through the murky streets of London, good dog Snuff is busy helping his master collect the grisly ingredients needed for an unearthly rite that will take place not long after the death of the moon. But Snuff and his master are not alone. All manner of participants, both human and not, are gathering with their ancient tools and their animal familiars in preparation for the dread night.

Bob Howard is a computer-hacker desk jockey, who has more than enough trouble keeping up with the endless paperwork he has to do on a daily basis. He should never be called on to do anything remotely heroic. But for some reason, he is.

What happens when the haggling is done and the shops are closed? When the quest has been given, the steeds saddled, and the adventurers are off to their next encounter? They keep the world running, the food cooked, and the horses shoed, yet what adventurer has ever spared a thought or concern for the Non-Player Characters? In the town of Maplebark, four such NPCs settle in for a night of actively ignoring the adventurers drinking in the tavern when things go quickly and fatally awry.