The Midwich Cuckoos
John Wyndham
Darwinia
Robert Charles Wilson
The War of the Worlds
H. G. Wells
The War of the Worlds (1)
Worldwar: Tilting the Balance
Harry Turtledove
Worldwar (2)
Worldwar: Upsetting the Balance
Worldwar (3)
Worldwar: Striking the Balance
Worldwar (4)
Worldwar: In the Balance
Worldwar (1)
Homesmind
Pamela Sargent
Watchstar (3)
A Hymn Before Battle
John Ringo
Michael O'Neal's Story Arc (1)
Invasion from Mars
Howard Koch
Invaders of Earth (14)
Dreamcatcher
Stephen King
A for Andromeda
Fred Hoyle & John Elliot
Andromeda (1)
Rats, Bats & Vats
Dave Freer & Eric Flint
Rats, Bats and Vats (1)
The Cloak and the Staff
Gordon R. Dickson
Shane Evert (1)
Martians Come in Clouds
Philip K. Dick
Tripods Trilogy
John Christopher
Tripods (99)
Frictional Losses
John W. Campbell, Jr.