- Castle of Power
- Castle of Teskom
- Castle Roogna
- Castle Stone
- Castle Wrath
- Castle's Keep
- Castle, Crown & Conscience
- Castles
- Castles and Caverns II Zeld and the Pirate Prince
- Castles and Caverns: Zeld and the Invaders
- Castles and Kingdoms: Book 2 of Rae's Story
- Castles in the Sky Vessel of Dreams
- Castles Made Of Sand
- Castles of Rosemont
- Castleview
- Casual Magic
- Casualties of War
- Casualty
- Cat & Hound
- Cat & Moused
- Cat Call: A Tale of Ghosts and Darker Things
- Cat Dubh
- Cat Fairy Tales
- Cat Fight Portals
- Cat God's Tales
- Cat Hearts Hawk
- Cat in a Zebra Zoot Suit
- Cat in Love: A Pakhet Jones Short Story
- Cat in a Hole: A Pakhet Jones Story
- Cat in Waiting: A Pakhet Jones Story
- Cat Leading the Way: A Pakhet Jones Story
- Cat Life
- Cat Man Deux
- Cat o' Nine
- Cat of 9 Tails
- Cat on the Edge
- Cat on the Money: A Joe Grey Mystery Novella
- Cat on the Prowl
- Cat Out of Hell, Volume III
- Cat Raise the Dead
- Cat Salvage
- Cat Sisters
- Cat Tales
- Cat Tales Issue #1
- Cat Tales Issue #2
- Cat Tales Issue #3
- Cat Tales Issue #4
- Cat Tales: Fantastic Feline Fiction
- Cat Under Fire
- Cat's Breakfast: Kurt Vonnegut Tribute
- Cat's Call
- Cat's Choice
- Cat's Claw
- Cat's Confidence
- Cat's Cradle
- Cat's Creation (Chronicles of Charlie Waterman #2)
- Cat's Howl
- Cat's Quest
- Cat-Ageddon; The Caterwauling, episode 1
- Cataclysm
- Cataclysm Catalyst
- Cataclysm, Books 1-4
- Cataclysm: Return of the Gods
- Cataclysmes
- Catacombs
- Cataleya
- Catalyst
- Catalyst (The Passage of Hellsfire, Book 1)
- CATALYST ALLIANCE
- CATALYST and the BEAST MASTER
- CATALYST ANGEL
- CATALYST CRYSTAL
- CATALYST INFERNO
- CATALYST MIRAGE
- CATALYST NATURE
- CATALYST PHANTOM
- CATALYST SHADOW
- Catalyst: A Collection of Stories
- Catalyst: A Game of Gods Novel
- Catalyst: The Fall of House Ulwyn
- Cataneo - Der Weg Splendors. Band 1.
- CATAP - Cacciatori di Tesori con l'Aiuto del Paranormale
- CATAP 2 - Il Dopo
- Catara - A Story of the Gefaradan
- Cataracta, tome 3 - Le coeur de rubis
- Cataractas Kinder
- Catarina
- Catarsis
- Catastrophe
- Catatonic
- Catch & Conquer
- Catch A Succubus
- Catch a Wolf
- Catch and Release
- Catch Lili Too
- Catch Me
- Catch Lili Too
- Catch Me
- Catch Me When I Fall
- Catching a Falling Star
- Catching a Man
- Catching A Vampire
- Catching A Warlock
- Catching A Wizard
- Catching Dragons
- Catching Echoes
- Catching Lightning
- Catee's Aegis
- Catee's Grace
- Cater to You
- Caterithina Saga Book I
- Caterpillars (Cryptofiction Classics - Weird Tales of Strange Creatures)
- CatEyes Book 1: Tigress Unleashed
- Catgirl: Catcall (Synne City Super Heroines in Peril)
- Catgirl: Dark Harvest (Synne City Super Heroines in Peril)
- Catgirl: Moonstruck
- Catgirl: Moonstruck (Synne City Super Heroines in Peril)
- Cathal's Seer
- Catharine's Peril: The Little Russian Girl Lost in a Forest and Other Stories
- Catharsis - Schatten und Wahn
- Cathaville Saga Book One
- Cathedral
- Cathedral of the Sky
- Cathedral of Time
- Cathedral of Vampires
- Catherine Scarpa ou Splendeur de la nuit
- Catherine’s Story
- Cathexis: Conspirator's Coin
- Cathexis: Desecrator's Sword
- Cathexis: Necromancer's Dagger
- Cathexis: Sorcerer's Ring
- Catlin And The Magic Fairy Tale Book
- Catling's Bane
- Catlins Appaloosa
- Catlips, Incorporated
- Catlorian Ii
- Catlorian Iii
- Catlorian Iv
- Catnip
- Catnip Assassins: Books 1-4
- Catnip Assassins: Books 1-7
- Catnip Assassins: Books 5-7
- Catron