It's spring on Nantucket and everything is perfectly normal, until a sudden storm blankets the entire island. When the weather clears, the island's inhabitants find that they are no longer in the late twentieth century...but have been transported instead to the Bronze Age! Now they must learn to survive with suspicious, warlike peoples they can barely understand and deal with impending disaster, in the shape of a would-be conqueror from their own time.

In the years since the Event, the Republic of Nantucket has done its best to re-create the better ideas of the modern age. But the evils of its time resurface in the person of William Walker, renegade Coast Guard officer, who is busy building an empire for himself based on conquest by technology. When Walker reaches Greece and recruits several of their greater kinglets to his cause, the people of Nantucket have no choice. If they are to save the primitive world from being plunged into bloodshed on a twentieth-century scale, they must defeat Walker at his own war.

Harry Turtledove hailed Island in the Sea of Time as “one of the best time travel/alternative history stories I’ve ever read,” and Jane Lindskold called Against the Tide of Years “another exciting and explosive tale.” Now the adventures of the Nantucket islanders lost in the time of the Bronze Age continues with On the Oceans of Eternity . Ten years ago, the twentieth century and the Bronze Age were tossed together by a mysterious Event. In the decade since, the Republic of Nantucket has worked hard to create a new future for itself, using the technological know-how retained from modern times to explore and improve conditions for the inhabitants of the past. Some of these peoples have become allies. Some have turned instead to the renegade Coast Guard officer William Walker. And for ten years, the two sides have tested each other, feinting and parrying, to decide who will be the ones to lead this brave new world into the future. Now the official battle lines have been drawn. And only one side can emerge the victor…