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.
Opening Atlantis
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
Ruled Britannia
Harry Turtledove
audiobook
In the Presence of Mine Enemies
Harry Turtledove
audiobook
Agent of Byzantium
Harry Turtledove
audiobook
A Different Flesh
Harry Turtledove
audiobook
The Case of the Toxic Spell Dump
Harry Turtledove
audiobook
The Guns of the South
Harry Turtledove
audiobook
In at the Death
Harry Turtledove
audiobook
The Grapple
Harry Turtledove
audiobook
All the Plagues of Hell
Dave Freer, Eric Flint
audiobook
H Hour
Tom Kratman
audiobook
The Heads of Cerberus : The First Sci-Fi to use the Idea of Parallel Worlds and Alternate Time
Gertrude Barrows Bennett, Francis Stevens
book
The Second Deluge (Dystopian Novel)
Garrett P. Serviss
book
On the Oceans of Eternity
S. M. Stirling
audiobook
Leaving the Illusion
Joseph Plummer
audiobook
The Alexander Inheritance
Eric Flint, Gorg Huff, Paula Goodlett
audiobook
The Syren of the Skies (Sci-Fi Classic)
George Griffith
book
Size Zero
Abigail Mangin
book
TARNISHED UTOPIA (Sci-Fi Classic) : Time Travel Dystopian Classic
Malcolm Jameson
book
A Crystal Age (Dystopian Classic)
William Henry Hudson
book
A Bleak Future Awaits - Dystopian Novels : The Black Flame, Dawn of Flame, The Adaptive Ultimate, The Circle of Zero, Pygmalion's Spectacles
Stanley G. Weinbaum
book