The Incorporated Knight
L. Sprague de Camp & Catherine Crook de Camp
Incorporated Knight (1)
The Incorrigible
L. Sprague de Camp
Johnny Black (2)
The Inspector's Teeth
Viagens Interplanetarias (1)
Invaders from Nowhere
The Iron Pillar of Delhi
Judgment Day
Juice
The Lair of the Ice Worm
L. Sprague de Camp & Lin Carter
Conan (36)
Land of Unreason
Language for Time Travelers
The Last Drop
L. Sprague de Camp & L. Ron Hubbard
Lest Darkness Fall
Lest Darkness Fall (1)
Little Green Men from Afar
"The Little Green Men"
Living Fossil
Lost Continents No. 1: The Story of Atlantis
Lost Continents (1)
The Merman
None But Lucifer
H. L. Gold & L. Sprague de Camp
Nothing in the Rules