- Circle of Stones
- Citrine's Monsters
- City 1
- City of a Thousand Dolls
- City of Ashes
- City of Bones
- City of Darkness
- City of Fallen Angels
- City of Fallen Magic: Mit Feuer und Zinn
- City of Glass
- City of Gods. Die Kinder der Kelten
- City of Heavenly Fire
- City of Illusion
- City of Lies
- City of Loons
- City of Lost Souls
- City of Spells
- City of Stone and Silence
- City of the Beasts
- City of the Night Sword
- City of the Uncommon Thief
- City of the Yeti
- City of Thirst
- City of Time
- City of Villains Book 1 (Volume 1)
- City Without Heroes
- City Without Heroes Complete Duology Box Set
- Ciudad de Sombra y Llamas
- Civility's Last Hope
- Clabbernappers
- Claim to Fame
- Claire de Lune
- Clapman - Tome I
- Clapman - Tome II
- Clara des tempêtes
- Clarice Cynamon
- Clariel
- Clarise and the Night Show
- Clarity (Cursed #2)
- Clark - Quelque Chose d'Étrange
- Los Gatos Guerreros La Nueva Profecía 2 - Claro de luna
- Clash of Angels (Elioud Chronicles Book 3)
- Clash of Catalysts
- Clash of Crowns
- Clash of the Malkin
- Clash of the Villains (for Fans of Creepers)
- Class Trip to the Cave of Doom #3
- Claudia Quash and the Spell of Pencliff
- Claw of the Sphinx
- Claws of Brass
- Clean as a Whistle
- Clearwater Witches Bundle
- Clearwater Witches, Books 1-3: Crystal Magic, Wild Magic, & Circle Magic
- Clelia
- Cleo
- Cleo & Leo
- Clever Love
- Clive Barker's First Tales
- Cloaked
- Clock City
- Clockwork Angel
- Clockwork Igni
- Clockwork Prince
- Clockwork Princess
- Clockwork Spiders
- Clod Makes A Friend
- Close Kin
- Cloudland
- Clover
- Clément Coudpel contre les spectres de Samain
- Code 47 to BREV Force
- Code Atlantis
- Codename Fairy Godmother: Reassigned
- Coercion
- Coeur de flammes, tome 3
- Coeur de flammes, Tome 3.5
- Coeur de flammes, tome 4
- Coeur perdu
- Coffee and Faerie Cakes
- Coffee Shop Between The 'Verses
- Cold Burn of Magic
- Cold Cereal
- Cold Front
- Cold Nights (Amethyst #2.5)
- Cold Shoulder Road
- Cold Spell
- Cold Territory
- Cold the Night, Fast the Wolves
- Coldmarch
- Coldmyth
- COLDTOWN – Stadt der Unsterblichkeit
- Colección biblioteca de Hogwarts
- Colin and The Courts of Faerie
- Colin and The Little Black Box
- Colin and The Rise of The House of Horwood
- Collier d'eau
- Colonel Whiskers and the Great Farm Heist. Adventures of a Military Bunny.
- Color Blind
- Colours of Rain
- Colt Humboldt and the Close of Death
- Columbine's Tale
- Comes the Crimson Mist
- Comet & the Rainbow
- Coming of Age: the Future
- Commander Connar (Im Schatten der Sterne)
- Commander Connar (Sternen-Schlag)
- Commander Connar (Träger der Alten Kraft)
- Commander Connar (Vergangene Wahrheiten)
- Como un sueño en un sueño
- Compel
- Competition's a Witch
- Compis
- Complemento
- Complete Adventure Venus Series of Edgar Rice Burroughs
- Complete Children Stories of Rudyard Kipling (Illustrated)
- Complete Children's Tales of Beatrix Potter
- Complete Fabled Beasts Chronicles