Ring of Fire Books in Order

After](https://www.amazon.com/dp/0743471555%22,%22description%22:%22After) a modern American town is displaced into 1630s Europe, new alliances and grudges spread across a continent already at war. This installment follows campaigns and diplomacy as up-timers and locals try to keep the experiment from being crushed by empires.

The](https://www.amazon.com/dp/1416555889%22,%22description%22:%22The) shockwave reaches the Baltic, where navies, trade, and rival powers collide. As modern knowledge meets seventeenth-century politics, leaders must win battles at sea and on paper, because supply and legitimacy matter as much as gunpowder.

Rome in 1635 is full of papal intrigue, kidnappings, assassins, and Grantville-style improvisation. Frank Stone, Giovanna, Pope Urban, and their allies race to escape Cardinal Borgia's grip before everything goes wrong.

As civil war threatens the United States of Europe, resistance grows in Magdeburg around music, politics, and a planned opera. At the same time, Byron Chieske and Gotthilf Hoch chase killers through a city packed with conspiracies.

Eddie Cantrell heads to the Caribbean to secure oil, using new steam warships and a risky diversion at Trinidad. Between Spain, hungry allies, and local politics, the mission can fail in a dozen ways.

Pope Urban's fragile peace effort in Besancon draws assassins, plots, and old enemies back into motion. With Pedro Dolor in town, theology and diplomacy quickly turn into a survival problem.

Eddie Cantrell and his allies press the fight against Spain in the Caribbean, where oil, empire, and survival are now tangled together. New alliances matter as much as naval power, because this war is heading for an all-in finish.

Domingos Fernandes Calabar helps the battered Dutch strike back in the Atlantic world, until enemies seize his family and sell them into slavery. What follows is both a rescue mission and a much larger fight against empire and bondage.