- Lords of Kobol: Prelude: Of Gods and Titans
- Lords of the Host
- Lords of the Middle Dark
- Lords of the Starship
- Lords of the Stratosphere
- Lords of War (Star Crusades: Mercenaries, Book 1)
- Lore
- Lorelei of the Red Mist
- Lorr and Disorder
- Los ahogados
- Los Angeles 2170
- Los Angeles: A.D. 2017
- Los Bidis
- Los Dioses Extraterrestres
- Los genocidas
- Los herederos de Julio Verne
- Los Hijos del Destino
- Los hijos del paraiso
- Los hombres de cristal
- Los Imperios de Vidrio: Las Aventuras del Brouder, el Rey de Cuervos
- Los Imperios de Vidrio: Las Aventuras del Pipen, el Aristocrata
- Los improductivos
- Los indiscretos pliegues del espacio, o bien como viajar a través del tiempo
- Los Mejores (The Best)
- Los mejores cuentos de Julio Verne
- Los muertos que viven
- Los pintores de estrellas verdes
- Los Profetas del Bosque
- Los propios dioses
- Los Secretos de Lady Géminis
- Los viajeros de las estrellas
- Los ángeles del fango
- Losing Ground
- Losing Mars
- Losing the Peace
- Losing Time
- Loss of Signal
- Loss of Signal
- Lost & Sound
- Lost Aeons
- Lost and Found
- Lost Boys
- Lost Cactus
- Lost Child of the Song
- Lost Creatures
- Lost Dawns: A Prequel Novella to the Lost Millenium Trilogy
- Lost Days: Final Novel of the Lost Millenium Trilogy
- Lost Dorsai
- Lost Earth
- Lost Empress
- Lost Everything
- Lost Hope
- Lost in Emotion
- Lost in History
- Lost In Memory: Angels
- Lost In Memory: Eon
- Lost In Memory: Pirate Ship
- Lost In Memory: Snippets
- Lost In Memory: Vanish
- Lost in Space
- Lost in Space (Xeno Relations book 0)
- Lost In Time
- Lost in Time
- Lost in Translation
- Lost Men in the Grass
- Lost on Venus
- Lost Origin
- Lost Race of Mars
- Lost Solace
- Lost Stars
- Lost Tales: Andromeda n°2
- Lost Things: Book One of the Order of the Air
- Lost to Tomorrow
- Lost Valyr: Project Enterprise 7
- Lost: No Return
- Lottery Win: A Walk through the Third Pair of Doors
- Lotus Blue
- Lotus Span
- Lou Harte: Never Trust a Dame
- Louisiana Breakdown
- Loups-Garous
- Love & the Aliens
- Love Against all Rules
- Love Among the Particles
- Love and Infection
- Love and Lust at the Last Interplanetary Whorehouse: Part 1 Earth Girls Are Easy
- Love and Sleep
- Love at Second Sight
- Love Conquers All
- Love For Sale
- Love From Another Time
- Love in One Act
- Love in Space - Science Fiction Space Romance
- Love in the Age of Reptiles
- Love in the Security Directorate: A Short Story
- Love in the Time of Fridges
- Love Island Two - Liberation
- Love Minus Eighty
- Love Notes Battle
- Love of Olympia: Tournament of Stars
- Love on the Run
- Love Song
- Love Through Time
- Love Thy Enemy (An Unusual Alien Romance Story)
- Love Under The Stars
- Love, Lattes and Angel
- Love-Bot
- Lovecraft
- Lovecrafts Schriften des Grauens 09: Planet des dunklen Horizonts