An Alien Affair
L. Ron Hubbard
Mission Earth (4)
Battlefield Earth
Black Genesis
Mission Earth (2)
The Dangerous Dimension
Death Quest
Mission Earth (6)
Disaster
Mission Earth (8)
The Doomed Planet
Mission Earth (10)
The Enemy Within
Mission Earth (3)
Fear
Fortune of Fear
Mission Earth (5)
The Great Secret
If I Were You
The Invaders Plan
Mission Earth (1)
The Last Drop
L. Sprague de Camp & L. Ron Hubbard
Ole Doc Methuselah
Ole Doc Methuselah (1)
The Professor Was a Thief
Slaves of Sleep
Slaves of Sleep (1)
A Very Strange Trip
L. Ron Hubbard & Dave Wolverton
Villainy Victorious
Mission Earth (9)