1638: The Sovereign States Eric Flint, Gorg Huff, Paula Goodlett
Ring of Fire-bøgerne i rækkefølge
- 1634: The Ram Rebellion Eric Flint, Virginia DeMarce
- 1634: The Galileo Affair Eric Flint, Andrew Dennis
- 1634: The Bavarian Crisis Eric Flint, Virginia DeMarce
- 1635: A Parcel of Rogues Eric Flint, Andrew Dennis
- 1635: The Cannon Law Eric Flint, Andrew Dennis
- 1635: The Dreeson Incident Eric Flint, Virginia DeMarce
- 1635: The Tangled Web Virginia DeMarce
- 1635: The Eastern Front Eric Flint
- 1636: The Saxon Uprising Eric Flint
- 1636: Commander Cantrell in the West Indies Eric Flint, Charles E. Gannon
- 1636: The Cardinal Virtues Eric Flint, Walter H. Hunt
- 1636: The Viennese Waltz Eric Flint, Gorg Huff, Paula Goodlett
- 1636: The Ottoman Onslaught Eric Flint
- 1636: Mission to the Mughals Eric Flint, Griffin Barber
- 1635: The Wars for the Rhine Anette Pedersen
- 1637: The Volga Rules Eric Flint, Gorg Huff, Paula Goodlett
- 1636: The Vatican Sanction Eric Flint, Charles E. Gannon
- 1636: The Atlantic Encounter Eric Flint, Walter H. Hunt
- 1636: The China Venture Eric Flint, Iver P. Cooper
