- C'était écrit
- C'était écrit !
- Cabaret Pompeya
- Cabin Fever
- Cagliostron kreivitär – Arsène Lupinin nuoruudenseikkailu
- Cai o pano
- Cain His Brother
- Calamity at Harwood
- Calamity Town
- Calamity Under the Chandelier
- California Schemin': The 2020 Bouchercon Anthology
- Call After Midnight
- Call Down the Hawk
- Call to Arms
- Callander Square
- Calling the Kettle Black
- Camera...Action...Murder!
- Can't Beat A Dead Horse (A Carly Keene Cozy Mystery)
- Canapés for the Kitties
- Canary
- Canary Yellow
- Candide, ou l'Optimisme
- Caninos Brancos
- Canon of The Non-Sacred Writings
- Canterbury Requiem
- Canterbury Serenade
- Cape Bay Cafe Mysteries 3-Book Box Set: Books 1-3
- Capitan Tempesta
- Captain Lacey Regency Mysteries, Volume 1
- Captain Lacey Regency Mysteries, Volume 2
- Cardington Crescent
- Careless Death
- Careless Whiskers
- Carnage in a Pear Tree
- Carrefour des vices
- Carrie's Secret
- Carruthers' Demise
- Cars, Cats and Crooks
- Cartagine in fiamme
- Carved In Stone
- Casi paradigmatici per Sherlock Holmes
- Casino Carnage : Meurtre à Biarritz
- Casino Murders
- Cast Iron Suspicion
- Casting aux Grottes
- Castle Dangerous
- Castle Rouge
- Castle Shade
- Cat Flap
- Cat Me If You Can
- Cat of Many Tails
- Catalina, la nueva Miss Marple
- Cat of Many Tails
- Catalina, la nueva Miss Marple
- Catch-As-Catch-Can
- Catherine Blum
- Caviar et nuits blanches
- Centenaire de saint-Cléments-des-Baleines
- Challenge
- Chameleon - The Death of Sherlock Holmes
- Champagne for One
- Chapel Noir
- Chapter and Hearse
- Charity Ends at Home
- Charles Augustus Milvertonin seikkailu
- Charles-Auguste Milverton
- Charlie M
- Charlie Milverton - A Modern Sherlock Holmes Story
- Charlie Milverton and other Sherlock Holmes Stories
- Chasing the Storm
- Chattering Blue Jay
- Chef Maurice and a Spot of Truffle
- Chef Maurice and the Wrath of Grapes
- Cherry Filled Charges
- Cherry Slice
- Cherry Twist
- Chi ama, odia