- Kingdom of HorrorJ.H. Brennan
- Kiss the ChefDana Aros
- KnightSteve Barlow, Steve Skidmore
- Knight of IllusionMary L. Kirchoff
- Knight of the Living DeadAllen Varney
- Knights of DoomJonathan Green
- Knights of the Round TableEllen Kushner
- Koopa CapersBill McCay
- Kung Fu KittenSteve Barlow, Steve Skidmore
- Labyrinth of LiesPaul Bimler
- Lady of the WindsKate Novak
- Lair of the LichBruce Algozin
- Language Of LoveMary Ellen Bradford
- Last Line of DefenseN.J. Corbo
- Last of the DinosaursPeter Lerangis
- Last RunR.A. Montgomery
- Lauren, Riding Off TrailMima
- Law EnforcerDanith Clausen
- League of ThievesSarah Crofton
- Leap of the LionCurtis Norris
- Leaping LizardsClyde Bosco
- Legend of the Shadow WarriorsStephen Hand
- Legend of ZagorKeith Martin
- Legion of the DeadJ.H. Brennan
- Legion of the NecromancerJames Gill, James Isaacs
- Libyan StrikeS. Spano
- Life's LotteryKim Newman
- Light of the KaiBen Dever, Vincent Lazzari
- Light on Burro MountainSusan Saunders
- Light on Quests MountainJames M. Ward, Mary L. Kirchoff
- Lightning RiderSarah Crofton, W.J. Tattersdill
- Little Comic Shop of HorrorsR.L. Stine
- Longhorn TerritoryMarc Newman
- Looking for ClassDonald Hinchey
- Lord of ChaosJ. A. Collar
- Lord of LancesMark Acres
- Lords of DoomDouglas Niles
- Lords of the Rising SunDave Morris, Jamie Thomson
- Lose YourselfKendall Adams
- Lost Dog!R.A. Montgomery
- Lost in a Strange LandLorna Tomei, R.G. Austin
- Lost in AustenEmma Campbell Webster
- Lost in SlumberlandStewart Cowley
- Lost in Stinkeye SwampR.L. Stine
- Lost in the CityJoseph Fry
- Lost in the Crater of FearTracey Turner
- Lost in the Desert of DreadTracey Turner
- Lost in the Jungle of DoomTracey Turner
- Lost in the Mountains of DeathTracey Turner
- Lost in the Sea of DespairTracey Turner
- Lost in the Swamp of TerrorTracey Turner
- Lost in the WildRyan Jacobson
- Lost in the WildsAnne E. Schraff
- Lost in TimeJamie Thomson, Mark Smith
- Lost LuggageColin Brake
- Lost on the AmazonR.A. Montgomery
- Lots of BoysJan Gelman
- Love is Random TooKendall Adams
- Love on the LiftsJill Santopolo
- Lumpy Space Princess Saves the WorldTracey West