- Crashing Heaven
- Cratch
- Crater Trueblood and the Lunar Rescue Company
- Crave Me Forever
- Craved by Bears
- Crawlspace
- Crazy
- Creating Harmony
- Creating The Myth: A Prequel To "Stranger Than Fiction", Book 1: The Promise Of Redemption
- Creating The Myth: A Prequel To Stranger Than Fiction, Book 2: Completion
- Creation Machine
- Creation of the Living Dead
- Creator's End
- Creators
- Creature
- Creatures
- Creatures of Darkness
- Creatures of Light and Darkness
- Creatures of the Garden
- Credit Rush Outpost Krone (Krone Series Book 1)
- Crescent Earth
- Cress. Lunar Krøniken 3
- Crest and Shield Book 1: an O R D E R mini
- Crest and Shield Book 2: an O R D E R mini
- Crestahn Kingdom
- Cretaceous Dawn
- Cries from the Dust
- Crimes Against Humanity
- Crimes of the Hub
- Criminal Justice
- Crimson Fire
- Crimson Memories
- Crimson Planet
- Crimson Son
- Crimson Son 2: Motherland
- Crimson Son 3: Ashes
- Crimson Son 4: Legacy
- Crimson Star
- Crimson Tempest
- Crionizados
- Crippled Earth
- Crises and Conflicts
- Crisis Evolution
- Crisis of Consciousness
- An Honorable Defense
- Cluster Command
- The War Machine
- Crisis of Empire Book IV: Crown of Empire
- Crisis on Callisto
- Cristal qui songe
- Critical Contingencies
- Critical Intelligence
- Critical Point
- Critical Threats: Slowpocalypse Books 1-2
- Crome - Warrior Lover 2
- Crompton Divided
- Cronaca galattica
- Cronache dalla seconda guerra dell’acqua
- Cronache della Metropoli
- Cronache di Tuhitun. Selzerorg
- Cronache di Universi paralleli Libro primo - II ed.
- Cronache di Universi paralleli Libro secondo
- Cronofasi
- Cronopaisaje
- Cronotopo
- Cronus
- Crooked Stars
- Crooked V.1
- Cross Breed
- Cross Checking
- Cross Contamination
- Cross the Stars
- Cross Wired
- Crossbones
- Crosscurrent: Star Wars
- Crossing In Time
- Crosscurrent: Star Wars
- Crossing In Time
- Crossing the River
- Crossing The Rubicon
- Crossroads
- Crossroads of Destiny
- Crossroads to Eden
- Crossroads to the Stars
- Crosstalk
- CrossTown
- Crown of Ash (Blood Skies, Book 4)
- Crown of Fire
- Crown of Slaves
- Crown of the Serpent
- Crowns
- Crucible
- Crucible of Stars
- Crucible of Time: Part Two of the "Out of Time" Sequence
- Crucible: Star Wars
- Crucifix Point (A Blood Skies Short Story)
- Cruel Dusk
- Crunch Bang
- Crusade
- Crusade For Vengeance
- Crusade, Book 4 of The Turner Chronicles
- Cry Liberty
- Cry Pilot
- Crying Moon
- Crying Over Spilt Light
- Crying Star - Part 2
- Crying Star, Part 1
- Crying Star, Part 3
- Crying Star, Parte 1
- Crying Star, Parte 2
- Crying star, Parte 2
- Crying Star, Parte 3
- Crying Star, Partie 1