Worldwar Series Novels

Striking the Balance (Worldwar 4)
Striking the Balance (Worldwar 4) by Harry Turtledove
F SI-FI HIS
Upsetting the Balance (Worldwar 3)
Upsetting the Balance (Worldwar 3) by Harry Turtledove
F SI-FI HIS
Tilting the Balance (Worldwar 2)
Tilting the Balance (Worldwar 2) by Harry Turtledove
F SI-FI HIS
In the Balance (Worldwar 1)
In the Balance (Worldwar 1) by Harry Turtledove
F SI-FI HIS