During World War II, three of the world's deadliest foes are forced to join efforts to save the planet from aliens, but Earth might be completely destroyed in order to win the war, in the conclusion of Harry Turtledove's Worldwar series.
A Different Flesh
Harry Turtledove
audiobook
The Guns of the South
Harry Turtledove
audiobook
End of the Beginning
Harry Turtledove
audiobook
Worldwar : In the Balance
Harry Turtledove
audiobook
Days of Infamy
Harry Turtledove
audiobook
The Golden Shrine
Harry Turtledove
audiobook
Hitler's War
Harry Turtledove
audiobook
The Center Cannot Hold
Harry Turtledove
audiobook
Blood & Iron
Harry Turtledove
audiobook
Wages of Sin
Harry Turtledove
audiobook
Or Even Eagle Flew
Harry Turtledove
audiobook
Other Covenants
Harry Turtledove, Robert Silverberg, Lavie Tidhar, Esther Alter, Gwynne Garfinkle, Elana Gomel, Rivqa Rafael, Jack Dann
book
Universal Law
T.R. Harris
audiobook
Battlelines
T.R. Harris
audiobook
The Weaver
Emmi Itäranta
audiobook
A Clash of Aliens
T.R. Harris
audiobook
When Earth Reigned Supreme
T.R. Harris
audiobook
Prelude to War
T.R. Harris
audiobook
A Galaxy To Conquer
T.R. Harris
audiobook
The Apex Predator
T.R. Harris
audiobook
The Ship
C.S. Forester
book
Silent Invasion
Chris Shockowitz
audiobook
The Masters of War
T.R. Harris
audiobook
Battleship : Leviathan
Craig Martelle
audiobook