- Come foglie al vento
- Come Together
- Come Tumbling Down
- Come, the Dark
- Comfort in Darkness: A Shaede Assassin Short Story
- Comfort Me With Apples
- Coming Attraction
- Coming Home
- Common Denominator
- Communication Breakdown
- Companions
- Companions to the Moon
- Company Time v1.0
- Complete Dark Urban Rising Box Set
- Complete Fairy Tales of Lewis Carroll
- Complete Grimm Brother Fairy Tales
- Complete Horror Ghost Supernatural of Algernon Blackwood
- Complete Romance Fantasy Science & Religion of George MacDonald
- Complete Science Fictions of John W. Campbell
- Complete Science of H. G. Wells
- Complete Science Pulp of George O. Smith
- Complete Wizard of Oz of L. Frank Baum
- Complication
- Con Man
- Concatenazione di complicate coincidenze
- Concealing Fate
- Conclave
- Condal - La principessa oscura
- Conditionally Human
- Confederate Vampires in Space
- Confess
- Confessions
- Confessions From a Moving Van
- Confessions of a Bibliophile
- Confessions of a Lost Kid
- Confessions of a Nymphomaniac
- Confessions of a Piano Demon
- Confessions of the Creature
- Conflagration
- Conflictus
- Conjunctions
- Conjured Defense
- Conjuring Crime: A Collected Uncollected Anthology
- Conjuring Destiny
- Conjuring Destiny
- Conquer
- Conquering the Monsters
- Conrad Edison Box Set Books 1-3
- Consignment
- Conspiracy
- Constance Verity Destroys the Universe
- Constance Verity Destroys the Universe
- Constance Verity Saves the World
- Constance Verity Saves the World
- Constellations of Scars
- Contagion
- Contamination Crew
- Contemporary One-Act Plays
- Contenção
- Contessa: Princess of the Summer Fae
- Contract Vampire
- Convenient Pregnancy: Billionaire Romance
- Convergence
- Convergenza nell'architettura del coro
- Cookbook from Hell: Reheated
- Cookmancer Online: A LitRPG / GameLit Novel
- Cool Beans
- Coopers Hollow
- Copper and Cobalt
- Copper and Gold
- Copper Pennies
- Copper Ravens
- Cora
- Core of Confliction
- Corp.se Commander
- Corpse in the Mead Hall
- Corpse Run
- Corrupt, An IPMA Troll Brother Extra #3, Halloween 2015
- Corruption
- Corruptor
- Cortázar e a obra definitiva
- Corvus
- Cosmic Trifecta : Alien Menage Romance
- Cosmically Yours - Sci fi Alien Romance
- Cosmicomedia 1 - Montrez-nous que vous n'êtes pas des buses
- Cosmicomedia 2 - La traversée de l'Achéron, Maxime, et le Déluge
- Couch
- Cougar On A Hot Tin Roof: Magic and Mayhem Universe
- Could It Be Magic - A Land of Enchantment Romance
- Council of Souls
- Countdown on Hex Island
- Courage Runs Red
- Court of the Fallen
- Courting Darkness
- Courting Seraphs
- Couture Time Machine
- Coven Therapy
- Coven: Books 1-3 Bundle
- Coven: Books 4-6 Bundle
- Coventry House
- Coveted
- Cowboy, Take Me
- Coyote Legacy: A Canyon Legends Fantasy
- Coyote's Pup
- Coyotes, Coffins, and Cats
- Cracked! A Magic iPhone Story
- Cracking Ice
- Cradle and All
- Cranberry Bog Crumble
- Crave
- Craved
- Craving an Older Man: Billionaire Romance
- Craving Cameo
- Craving-Unrestrained
- Crawl
- Crazy
- Creatures of Light and Darkness
- Creepy Creatures
- Creepy Hollow: La Guardiana
- Creepypasta
- Cremlino di zucchero
- Crescent Gorge
- Crestfallen
- Crestfallen: The Masked Thief - Part #1
- Crime and Curses
- Crimes by Moonlight
- Criminal Enchantment
- Crimson at Cape May
- Crimson Death
- Crimson Falls