- Museum of the Living DeadHilary H. Milton
- Mutiny in SpaceR.A. Montgomery
- My Lady's ChoosingKitty Curran, Larissa Zageris
- My Left or Yours?: Hold on to Your Planet!Lloyd Cordill
- Mydnight's HeroJoe Dever
- Mystery at Loch NessRoy Wandelmaier
- Mystery at Mockingbird ManorJamie Pascal, Laurie Pascal
- Mystery at the Ball GameR. Parker McVey
- Mystery at the Bike RaceFrank Topper
- Mystery in LondonHelen Brooke
- Mystery in the MansionLauren Magaziner
- Mystery in the Murky DeepDanny McAleese, David Kristoph
- Mystery of the AncientsMorris Simon
- Mystery of the MayaR.A. Montgomery
- Mystery of the Sacred StonesLouise Munro Foley
- Mystery of the Secret RoomEllen Kushner
- Mystery on the Trans-Siberian ExpressKen McMurtry
- Mystery on the Transcontinental RailroadRoberta Baxter
- NBA: Краят на коридатаМайкъл Майндкрайм
- Necklace of SkullsDave Morris
- Necromancer!Rex Talionis
- Neil Patrick Harris: Choose Your Own AutobiographyNeil Patrick Harris
- Neither Either nor OrJoey Dubuc
- Nemesis of the Nin WitchDavid Sharrock
- Neverland - Here Be MonstersJonathan Green
- New GaiaSamuel Isaacson
- Night at the Vampire CastleHari Conner
- Night DragonKeith Martin
- Night in Werewolf WoodsR.L. Stine
- Night of a Thousand BoyfriendsMiranda Clarke
- Night of a Thousand ClawsR.L. Stine
- Night of ChampionsTracey West
- Night of the CometAllen Sharp
- Night of the Creepy CarnivalGeorge Ivanoff
- Night of the KrakenJonathan Green
- Night of the NazgulJohn D. Ruemmler
- Night of the NecromancerJonathan Green
- Night of the TigerJean Rabe
- Night of the WerewolfEdward Packard
- Night ShiftJoanna Angel
- Night TerrorsAlice Henderson
- Nightmare PlanetStephen Mooser
- Nightmare Realm of Baba YagaRoger E. Moore
- Nightmare StoreHilary H. Milton
- NightshiftVictoria Hancox
- NinjaDavid Walters
- NinjaSteve Barlow, Steve Skidmore
- Ninja AvengerJay Leibold
- Ninja CyborgJay Leibold
- No Return LandJeff A. Storm
- Noor Inayat KhanRana Tahir
- Not Another ButtercupPaul Siefken
- Not in My FamilyJolene L. Roehlkepartain
- Ocean AllianceSteve Barlow, Steve Skidmore
- Ocean of LardCarlton Mellick III, Kevin L. Donihe
- Olympus!: What is the Secret of the Oracle?Edward Packard
- On TourKen McMurtry
- Once HumanAnthony Lampe
- One GoalN.J. Corbo
- One Night in Payne HouseR.L. Stine