- Lest Our Passage Be Forgotten & Other Stories
- Let All Mortal Flesh
- Let it Snow! Season's Readings for a Super-Cool Yule!
- Let Not Man Put Asunder
- Let the Dragon Wake
- Let ’em Breathe Space!
- Lethal Engagement
- Lethal Waters
- Lethe's Road
- Letter of the Law
- Letter To My Long-Lost Friend (Money)
- Letters from the Dark Side
- Leviathan: Uncommon Synths
- Lewd Isabelle
- Lex talionis (Принцип талиона)
- Lexicon Chase and the Riddle Song
- Lexie's Choice
- La ley de los caídos
- La leyenda de Lunanegra
- Liams Zähmung
- Liberta-me
- Liberty Shrugged
- Libra's Limbo
- La Librairie Manquante
- Libro I: Resurrección
- Librorin
- License to Kill
- Lies & Omens
- Lies and Prophecy
- Lies and Prophecy - Illustrated Edition
- Liesmith
- Life Aches: In and Out of the Fishbowl
- Life After Death
- Life in the Floating City
- Life Minus Me
- Life of Lord Byron, Vol. 1
- Life Remains
- Life's a Witch
- Life, Liberty And The Pursuit Of Sausages
- Lifehouse
- Lifescape
- Lifted by water
- Lifting the Veil of Light
- Liga der Schatten
- Light & Dark: The Awakening of the Mageknight
- Light & Dark: The Black Bonded
- Light and Shadow
- Light Energy
- Light in Dark Places
- Light My Fire
- Light My Fire: Emerald Seer II
- Lightborn
- Lighter than You Think
- Lightning and Bolt
- Lightning and Thunder
- Lightning Strikes
- Lightning's Fury
- Lights Fall
- Lightweight 10: Graduation
- Lightweight 5: "Answers"
- Lightweight 6: "Questions"
- Lightweight 7: "Survival"
- Lightweight 8: "Burned"
- Lightweight 9: "Knowledge"
- Like a Dervish
- Like A Pale Moon
- Like a Phoenix
- Like a Torrent
- Like Clara, in the Movie Heidi
- Like Clockwork
- Likely Stories
- Lilith
- Lilith Mercury, Werewolf Hunter: The Complete Edition (Books 1-7)
- Liminal Hearts (Rules of Chaos Book 1)
- Lin Finity And Her Mayhem Rising
- Lin Finity And The Flights To Forever
- Lin Finity And The Islands Of Time
- Lin Finity And The Words Unspoken
- Lin Finity In Holding On
- Line to Night Island
- Linear; Part of The Half-Breeds series
- Liner Notes
- Lines of Strength and Grace
- Lion In Human Hide
- Lips Touch
- Lipstick and Voodoo
- Liquid Crystal
- Liquid Fire
- Lisbeth
- Listening Isn't Mr. Piano Foratorso's Forte
- Literal Demons
- Literature Help: The Handmaid's Tale
- Little Dog Lost
- Little Five: A Terminalia Story
- Little Free Library
- Little Missy
- Little Stories to Play With in Your Mind
- Little Time Left
- Liverpool
- Living Dead in Dallas
- Living Forever & Other Terrible Ideas
- Living Ghost Time
- Living Proof (That No Good Deed Goes Unpunished)
- Living the Dream
- Living Time: A Poker Boy story
- Living With The Dead
- Living with the Dead
- Living With the Past
- Livro perdido
- Lizard Horses
- Lizard Lust
- Llamas furiosas
- Lo Frágil
- Lo que esconden los sueños
- Lo scontro dei Protetti
- Lo sguardo sul Maelstrom
- Lo spazio dei morti viventi
- Lo strano caso di Matilde Campi
- Loaded Dice
- Locked-In Syndrome
- A Game of Hearts
- Logorrhea
- Lola and the Four Calling Byrds
- Lombrisphère
- London Bone and Other Stories
- London Falling
- Lone Wolf Dawn
- Lone Wolf Wanted
- Lone Wyr
- Lonely Castle in the Mirror
- Lonely Streets
- Long Black Curl