- Cattedrali
- Cat’s Pajamas
- Caught in Time
- Cauldron
- Cauldron (Academy - Book 6)
- Cauldron of Life
- Cause and Consequence
- Cause for Investigation
- Cause impossibili
- Cave of Wonders
- CAVIE
- CAVIE 2 - Identità
- Cazada
- Cazadores de Dune (Las crónicas de Dune 7)
- Caça ao Tesouro
- Ce qui grignotait le fond de l'univers
- Cease firing
- Ceaseless Steam: Steampunk Stories from Beneath Ceaseless Skies Online Magazine
- Ceasornicarul: O Nuvelă (Ediția română)
- Cecilia 2.0
- Cecily - Tome 1
- CEGADOS
- CEGADOS Parte II
- Cegados Parte III
- Celephais
- Celestar - Tome 1
- Celestial
- Celestial Celeste
- Celestial Fire (The String Weavers - Book 7)
- Celestial Voyages: The Moon
- Celestis
- Celistic. Патриоты
- Celistic. Смотрящий во тьму
- Celistic. Эхо мира
- Celistic: Пиратская история
- Cell
- Celt
- Celtika
- Cementerio de Naves Espaciales
- Cementerio de Naves Espaciales
- Census
- Centauri Midnight
- Centauri Series, The Complete Collection
- Centauri Twilight
- Centenary Separation
- Center of the World
- Center Worlds: Spark
- Centralino Celeste
- Centralist Conspiracy: Starlight Century Episode Two
- Centre of Gravity
- Centurion: A Post-Apocalyptic Adventure
- Centurion: Before the Smuggler's Court
- Centurion: In the Valley of the God-Kings
- Century Run
- Cenuşă - Asche zu Asche
- Cerberus
- Cerelia's Choice
- Ceres
- Cesta
- Cetaganda (Las aventuras de Miles Vorkosigan 5)
- Cetaganda (Vorkosigan Saga)
- CFP Filmore
- Chadwick Yates and the Anuran Contest
- Chadwick Yates and the Ascent of Dolymtiud
- Chadwick Yates and the Cannibal Shrine
- Chadwick Yates and the Coulsby Gentlemen's Club
- Chadwick Yates and the Forest Labyrinth
- Chaga
- Chain of Secrets
- Chain of Shadows (Blood Skies, Book 6)
- Chain of Starlight
- Chains of Silver
- Chainsaw
- Chak’r’Das
- Challenger Rising
- Challenges: Chinavare's Find Book Two
- Chambre froide
- Chameleon: Alien Castaways 1 (Intergalactic Dating Agency)
- Chameleon: The Adventures of John L. Steelhard, Book Two
- Chameleon: The Virtual Reality Virus
- Champagne Charlie and the Amazing Gladys
- Champion of the PhiraSword; Volume 2 of the PhiraSword Saga
- Champion's Call
- Champions of the Force: Star Wars (The Jedi Academy)
- ChanceShaper
- Chanda's Awakening
- Chandler's Secret Princess: Holy Christian Empire 2405
- Change Agent
- Change Horizons: Three Novellas
- Change Is Coming
- Change Management
- Change of Destination
- Change of Momentum
- Change of Plans Episode Four
- Change of Plans Episode One
- Change of Plans Episode Three
- Change of Plans Episode Two
- Change State
- Change the Sky and Other Stories
- Changeless
- Changeling
- Changeling Encounters: Steam Lover
- Changing Planes
- Changing the Past
- Chanur (L'Intégrale 1)
- Chaos
- Chaos and Order
- Chaos Fountain
- Chaos Reigning
- Chaos Vector
- Chaos Zone
- Chaotica
- Chapter House Dune
- Chapterhouse: Dune
- Charged