- Chronicle of a Death Foretold
- Chronicles of Martin Hewitt
- Chronologie des murs
- Cibles indociles
- Cibola- A Dane Maddock Adventure
- Ciel rouge au Pouldu
- Cielos de barro
- Cielos de plomo
- Cień Rasputina
- Cinderella Six Feet Under
- Circle of Shadows
- Cirkus i Montana
- City of Bridges
- City of Darkness and Light
- City of Dragons
- City of Fiends
- City of Ghosts
- City of Ink
- City of Lies
- City of Light
- City of Masks
- City of Saints
- City of Schemes
- City of Scoundrels
- City of Secrets
- City Of Shadows
- City of Shadows
- City of Sharks
- City Of The Sun
- Civilizaciones bajo tierra
- Clair-obscur en chartreuse
- Clara: A Novel
- Clark and Division
- Classic Mystery And Detective Stories
- Classic Mystery and Detective Stories: Old Time English
- Claws of the Cat
- Cleek of Scotland Yard
- Cleek: the Man of the Forty Faces
- Clemencia
- Clinic
- Cloister of Whispers
- Club der Vier
- Clue of the Artificial Eye
- Cocinar un oso
- Cocktail d'anime per l'avvocato Alfieri
- Code: Yellow Chrysanthemum
- Codex AitiRomaXeS
- Codex gigas
- Coffeyville
- Coincidencias imposibles
- Cold Brewed
- Cold Comfort
- Cold Press - A Gripping British Mystery Thriller
- Cold River
- Collected Works: Volume 3
- Collected Works: Volume 4
- Collected Works: Volume 5
- Collected Works: Volume II
- Collected Works: Volume III
- Collected Works: Volume IV
- Collingwood Flat
- Columbus Day - Mistero a San Salvador
- Come Armageddon
- Come Away
- Come Hell or Highball
- Come to Dust
- Come un brivido nel mare
- Comedy Can Be Murder: An Aristophanes Murder-Comedy
- Comes the War
- Commissaire Le Floch und das Geheimnis der Weißmäntel
- Commissaire Le Floch und das Gift der Liebe
- Commissaire Le Floch und der Brunnen der Toten
- Commissaire Le Floch und die silberne Hand
- Communion mortelle
- Complete History Adventure of Arthur Conan Doyle
- Complete Mystery Detective Humor History of Robert Barr
- Complot en Cap-Sizun
- Concealment
- Conditioned In Blood. The Sons of Charlemagne Book Two
- Conductor of Light
- Confesiones de un gánster de Barcelona
- Confidências de um Deus
- Conspiración
- Conspiración (Trilogía de Cicerón 2)
- Conspiracy
- Conspiracy of Silence
- CONTACT CREEDE! A Novel of Old Colorado
- Contesa mea favorita
- Converging Lines
- Converted
- Cooper's Loot
- Corium
- Corridors of the Night
- Corridors of the Night (William Monk Mystery, Book 21)
- Corruption
- Cos'è accaduto alla signora perbene
- Costumed Foolery
- Cottage, fantômes et guet-apens
- Counter Deception
- County Line
- Coups de sabre à Dourdan
- Cover Her Face
- Cradle to Grave
- Crazy Rhythm
- Creadores de secretos de multimillonarios
- Criadores de Bilionários Secretos
- Crime Against the Goddess
- Crime and Punishment
- Crime at Christmas
- Crime in Kensington
- Crimen en la calle Tetuán
- Crimes of August
- Crimes of Yesteryear
- Crimson Rose
- Critique of Criminal Reason
- Critter
- Crocodile on the Sandbank
- Cromwell Road
- Crooked in His Ways
- Cross of Vengeance
- Crossing the Divide
- Crossing the River Styx
- Crossroads