Rudi Mackenzie has journeyed far across the land that was once the United States of America, hoping to find the source of the world-altering event that has come to be known as The Change. On the island of Nantucket he finds a beautifully made sword waiting for him--and once he takes it up, nothing will ever be the same.

""[An] epic series,"* the Novels of the Change by New York Times bestselling author S. M. Stirling chronicle a postapocalyptic landscape of medieval and mystical monarchies ruling and warring across a world where mysterious Powers removed advanced technology. A new alliance has been forged between the High Kingdom of Montival and the Empire of Great Japan, but at the cost of a lost prince.... John Arminger Mackenzie wanted to be a troubadour, but...

"Rudi Mackenzie... returns to Montival in the Pacific Northwest, where he will face the legions of the Prophet. To achieve victory, Rudi must assemble a coalition of those who had been his enemies a few months before and forge them into an army that will rescue his homeland. Only then will Rudi be able to come to terms with how the Sword has changed him, as well as the world, and assume his place as Artos, High King of Montival..."--from publisher...

Rudi Mackenzie must confront the forces that drive the Church Universal and Triumphant in order to free the people who live in what once was the state of Idaho.

"Princess Orlaith, heir to Rudi Mackenzie, Artos the First, High King of Montival, now wields the Sword of the Lady--and faces a new enemy. Fortunately, she also has a new ally in Reiko, Empress of Japan, who has been pursued to America by a conquering army from Asia. To combat their mutual foe, Orlaith and Reiko embark on a quest to find the fabled Kusanagi-no-Tsurugi, the Grass-Cutting Sword, one of the three great treasures of the Japanese Imperial...

In the parallel world first introduced in S. M. Stirling's The Sky People, aliens terraformed Mars (and Venus) two hundred million years ago, seeding them with life-forms from Earth. Humans didn't suspect this until the twentieth century, but when the first probes landed on our sister worlds, and found life--intelligent life, at that--things changed with a vengeance. By the year 2000, America, Russia, and the other great powers of Earth are all contending...

In the mid-1870s, a violent spray of comets hit Earth, decimating cities, erasing shorelines, and changing the world's climate forever. And just as Earth's temperature dropped, so was civilization frozen in time. Instead of advancing technologically, humanity had to peice itself back together... In the twenty-first century, boats still ran on steam, messages arrived by telegraph, and the British Empire, with it capital now in Delhi, controls much...

"Rudi Mackenize, now Artos the First, High King of Montival, and his allies have won several key battles against the Church Universal and Triumphant. But still the war rages on, taking countless lives, ravaging the land once known as the United States of America. Artos and his Queen, Mathilda, must unite the realms into a single kingdom to ensure a lasting peace. If the leaders of the Changed world are to accept Artos as their ruler, he will need...

Part Shadowspawn, but living as an ordinary man, Adrian Breze must now battle the dark forces of the world and within his own blood to save humanity.

Accidentally hurled into our parallel Earth, Gwendolyn Ingolfsson, the master of the genetically engineered Draka Master Race, seeks to bridge the known world and her own in order to dominate the unmodified human race.