Agent of Byzantium
Harry Turtledove
Savage Pellucidar
Edgar Rice Burroughs & Harry Turtledove & James Allen St. John
Counting Up, Counting Down
American Empire: Blood and Iron
Alternate Generals II
Settling Accounts Return Engagement (Settling Accounts Trilogy)
Atlantis 1 - Opening Atlantis
Atlantis (1)
Atlantis 2 - United States of Atlantis
Atlantis (2)
Atlantis 3 - Liberating Atlantis
Atlantis (3)
The United States of Atlantis
The two Georges
Harry Turtledove & Richard Dreyfuss
Settling accounts: the grapple
After the Downfall
Herbig-Haro
The Road Not Taken
The Big Switch
Bombs Away: The Hot War
Wages of Sin