The Professor Was a Thief
L. Ron Hubbard
If I Were You
The Great Secret
A Very Strange Trip
L. Ron Hubbard & Dave Wolverton
The Doomed Planet
Mission Earth (10)
Villainy Victorious
Mission Earth (9)
Disaster
Mission Earth (8)
Voyage of Vengeance
Mission Earth (7)
Fortune of Fear
Mission Earth (5)
An Alien Affair
Mission Earth (4)
The Enemy Within
Mission Earth (3)
Black Genesis
Mission Earth (2)
Death Quest
Mission Earth (6)
The Invaders Plan
Mission Earth (1)
Battlefield Earth
Fear
Ole Doc Methuselah
Ole Doc Methuselah (1)
The Last Drop
L. Sprague de Camp & L. Ron Hubbard
Slaves of Sleep
Slaves of Sleep (1)