Harry Turtledove

Walk in Hell (The Great War, Book Two)

1999

In the Balance (Worldwar, Book One)

1994

Fallout

2016

Tilting the Balance (Worldwar, Book Two)

1995

Bombs Away

2015

American Front (The Great War, Book One)

1998

Worldwar: In the Balance (Worldwar)

2010

Hitler's War (War That Came Early)

2009

Return Engagement (Settling Accounts)

2016

Give Me Back My Legions! : A Novel of Ancient Rome

2009

After the Downfall (Unabridged)

2008

Forty, Counting Down & Twenty-One, Counting Up (Unabridged)

2008