- Case Study (Five Fingers)
- Cases from the New Earth Herstorical Archives: Valuations
- Cases Of First Contact
- Casey Travels West
- Casey's Sunset Lover
- Cashier of the Apocalypse
- Cashing In
- Cashing Out
- Casino der verlorenen Seelen
- Casino Empire
- Casket of Souls
- Caspak, monde oublié (cycle de Caspak, 1)
- Cassadaga
- CassaDark
- CassaDawn
- CassaFire
- Cassandra - Sklavin des Wassermanns
- Cassandra Case Files
- Cassandra Goddess of Harmony
- Cassandra Heeded
- Cassandra of Cr'Mere, Book Two of the Lich War Series
- Cassandra the Red Tiger
- Cassandra's Challenge
- Cassandra's Children
- Cassandra, the Magic Pony
- CassaSeries
- CassaStar
- CassaStorm
- Casserole Diplomacy and Other Stories
- Cassia
- Cassia & Ky -- Die Auswahl
- Cassia & Ky – Die Ankunft
- Cassia & Ky – Die Flucht
- Cassie Collins and the Magic Hearts
- Cassie Collins and the Wild Shamrock
- Cassie Hevans and A Christmas Carol (in July)
- Cassie Palmer Novels 1-5
- Cassie Palmer Series
- Cassie Pengear Mysteries books 1,2,3- Killing at the Carnival, Death at Dinner, Stabbing Set with Sa...
- Cassie Scot: ParaNormal Detective
- Cassie's Bears
- Cassie's Dream
- Cassie's Troubles
- Cassiea
- Cassies Quest
- CASSIOPEIA - Das achte Weltwunder (Band 1)
- CASSIOPEIA - Die Botschafter (Band 2)
- Cassius
- Cast a Cold Eye
- Cast a Hungry Shadow
- Cast in Angelfire
- Cast in Balefire
- Cast in Chaos
- Cast in Conflict
- Cast In Courtlight (The Chronicles of Elantra - Book 2)
- Cast in Deception
- Cast in Faefire
- Cast in Flight
- Cast in Fury
- Cast in Godfire
- Cast in Hellfire
- Cast in Honor
- Cast in Oblivion
- Cast in Sand
- Cast in Secret
- Cast in Silence
- Cast in Sorrow
- Cast in Stone
- Cast in Wisdom
- Cast Into New Eden
- Cast in Wisdom
- Cast Into New Eden
- Cast Into the Fire
- Cast Into Twilight
- Casta Nera
- Castaka T2
- Castaka Tome 1
- Castalia Ever After
- Castaway Island
- Castaway Odyssey
- Castaway Planet
- Castaway Resolution
- Castaways in time
- Castaways of Eros
- Castaways of the Flying Dutchman
- Castellan
- Castello di Carte - Le Cronache di Kerrigan
- Castelo da lágrimas
- Castelo de Cartas
- Castelubin en Gévaudan #1
- Caster's Unfriendly Ghost
- Castiel Book One: The Origin of Super Baby
- Castigation
- Castillo
- Castine, Bittersweet Outcome: Part 4
- Castine, Child's Play: Part 1
- Castine, Then There Were Two, Part 3
- Casting A Spell
- Casting Call
- Casting Curses
- Casting In Stone Book One of the Averraine Cycle
- Casting Souls
- Castle and Crown
- Castle Chansany, Volume 1