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.

Senior investigator Khalid al-Zarzisi is a modern man, a product of the unsurpassed educational systems of North Africa and the Middle East. Liberal, tolerant, and, above all, rich, the countries and cultures of North Africa and the Middle East have dominated the globe for centuries. But one region has festered for decades: Europe. Now, Khalid has been sent to Rome, ground zero of backwater discontent. He and his partner Dawud have been tasked with figuring out how to protect the tinpot Grand Duke, the impoverished Pope, and the overall status quo.

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.

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.

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.

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....

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.

David Fisher pushes paper for the EPA in a world that's a lot like ours...only different. In this California - and throughout the alternate United States - all gods are real, science doesn't exist, and magic rules everything, running imp-driven computers and creating anxiety-inducing bumper-to-bumper flying-carpet rush hours. Unfortunately, unchecked magic use can leave dangerous residues, creating hours of mind-numbing deskwork for David and his fellow bureaucrats at the Environmental Perfection Agency.

In 1914, they called it The Great War, and few could imagine anything worse. For nearly three decades, a peace forged in blood and fatigue has held sway in North America. Now, Japan dominates the Pacific, the Russian Tsar rules Alaska, and England, under Winston Churchill, chafes for a return to its former glory. But behind the façade of world order, America is a bomb waiting to go off. Jake Featherston, the megalomaniacal leader of the Confederate States of America, is just the man to light the fuse.

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.

In the real world, Reinhard Heydrich, the number-two man in the SS and an architect of the Holocaust, was assassinated in Czechoslovakia in May 1942. In The Man with the Iron Heart, Heydrich survives that fated assassination attempt, only to hatch an insurgency as insidious as anything conceived by Osama bin Laden.

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.

On December 7, 1941, the Japanese launched an attack against U.S. naval forces stationed in Pearl Harbor, Hawaii. But what if the Japanese followed up their air assault with an invasion and occupation of Hawaii? This is the question explored by Harry Turtledove in Days of Infamy, with frightening implications.

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.

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.

1945: Russian troops have entered Berlin, and are engaged in a violent orgy of robbery, rape, and revenge! Wehrmacht officer Hasso Pemsel, a career soldier on the losing end of the greatest war in history, flees from a sniper's bullet, finding himself hurled into a mysterious, fantastic world of wizards, dragons, and unicorns!

Atlantis lies between Europe and the East Coast of Terranova. For many years, this land of opportunity lured dreamers from around the globe with its natural resources, offering a new beginning for those willing to brave the wonders of the unexplored land.

Publius Quinctilius Varus, a Roman politician, is summoned by the Emperor, Augustus Caesar. Arminius, a prince of the Cherusci, is playing a deadly game. He serves in the Roman army, gaining Roman citizenship and an officer's rank, and learning the arts of war and policy as practiced by the Romans. An epic battle is brewing, and these two men stand on opposite sides of what will forever be known as the Battle of the Teutoberg Forest---a ferocious, bloody clash that will change the course of history.

The 'Wasting' (HIV) has caused devastating destruction throughout the known world and severely limited the development of technology as well, creating a mid-nineteenth century England and London almost unrecognizable to us. This is the world Viola is born into. Extremely intelligent and growing up in a house full of medical books which she reads, she dreams of traveling to far-off places, something she can only do via books since her actions and movements are severely restricted by law custom.

Count Hamnet Thyssen is a minor noble of the drowsy old Raumsdalian Empire. Its capital city, Nidaros, began as a mammoth hunters camp at the edge of the great Glacier. But that was centuries ago, and as everyone knows, its the nature of the great Glacier to withdraw a few feet every year. Trasamund, a clan chief of the mammoth-herding Bizogots, the next tribe north, has come to town with strange news. A narrow gap has opened in what they'd always thought was an endless and impregnable wall of ice.

Senior investigator Khalid al-Zarzisi is a modern man, a product of the unsurpassed educational systems of North Africa and the Middle East. Liberal, tolerant, and, above all, rich, the countries and cultures of North Africa and the Middle East have dominated the globe for centuries. But one region has festered for decades: Europe. Now, Khalid has been sent to Rome, ground zero of backwater discontent. He and his partner Dawud have been tasked with figuring out how to protect the tinpot Grand Duke, the impoverished Pope, and the overall status quo.

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....

In the Hugo Award nominee Forty, Counting Down, computer genius Justin Kloster travels to the past to stop himself from making a terrible mistake. But all actions have their consequences. Then, in Twenty-One, Counting Up, Kloster's college life and romantic dreams are rudely interrupted when the 40-year-old Justin arrives from the future to save him from himself.

On December 7, 1941, the Japanese launched an attack against U.S. naval forces stationed in Pearl Harbor, Hawaii. But what if the Japanese followed up their air assault with an invasion and occupation of Hawaii? This is the question explored by Harry Turtledove in Days of Infamy, with frightening implications.

From the master of alternate history comes an epic of the second Civil War. It was an epoch of glory and success, of disaster and despair. 1881: A generation after the South won the Civil War, America writhed once more in the bloody throes of battle. Furious over the annexation of key Mexican territory, the United States declared total war against the Confederate States of America in 1881.

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.

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.

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.

In 1920, as veterans question the very nation they fought for, socialist Upton Sinclair challenges Teddy Roosevelt for the presidency. And in the defeated Confederacy, a fiery racist whips his followers into a frenzy.