- Corpse Pose
- Corpse Reviver
- Corpus de Crossword
- Corsé (Un Mystère Cosy de Ruby Steele — Tome 3)
- Cosmic Cat
- Cosmic Cat, a Crazy Cat Lady Cozy Mystery #6
- Cost of Doing Business
- Costumed Foolery
- Cottage mit Aussicht
- Coughing & Donuts: A Medical Cozy Mystery
- Could it be True?
- Counted Corpse
- Counter Deception
- Counterfeit Confections
- Country Cousin Mysteries
- Country Cousin Mysteries Collection Two
- Coup bas (Un mystère Holly Hands – Livre 2)
- Courtesy Call
- Courtin' Murder in West Wheeling
- Courting Can Be Killer
- Cousins & Cadavers
- Cove Castle and the Tunnels of Doom
- Covens and Coffins
- Cover-Up Story
- Cozy Camping (A Lexie Starr Mystery, Book 6)
- Cozy Case Files, A Cozy Mystery Sampler, Volume 10
- Cozy Case Files, A Cozy Mystery Sampler, Volume 11
- Cozy Case Files, A Cozy Mystery Sampler, Volume 12
- Cozy Case Files, A Cozy Mystery Sampler, Volume 13
- Cozy Case Files, A Cozy Mystery Sampler, Volume 7
- Cozy Case Files, A Cozy Mystery Sampler, Volume 8
- Cozy Case Files, A Cozy Mystery Sampler, Volume 9
- Cozy Case Files: A Cozy Mystery Sampler, Volume 2
- Cozy Case Files: A Cozy Mystery Sampler, Volume 6
- Cozy Cat Caper Mystery Box Set: Books 1-3
- Cozy Cat Caper Mystery Box Set: Books 4-6
- Cozy Cat Caper Mystery Box Set: Books 7-9
- Cozy Christmas Collection
- Cozy Crime Fiction Series: BOUNTY, BUSTED
- Cozy Crime Fiction Trilogy: Bounty, Busted, Burden
- Cozy Mystery Boxed Set – Sweetland Witch (Women Sleuths Collection: Book 1 – 2)
- Cozy Mystery Boxed Set – Sweetland Witch (Women Sleuths Collection: Book 12 – 13)
- Cozy Mystery Boxed Set – Sweetland Witch (Women Sleuths Collection: Book 3 – 5)
- Cozy Mystery Boxed Set – Sweetland Witch (Women Sleuths Collection: Book 6 – 8)
- Cozy Mystery Boxed Set – Sweetland Witch (Women Sleuths Collection: Book 9 – 11)
- Cozy Mystery: Cake Spell Disaster (A Haven Witch Cozy Mystery Book)
- Cozy Up to Blood
- Cozy Up to Death
- Cozy Up to Murder
- Cozy Villages Of Death
- Crab Bait
- Cracked
- Cracked to Death
- Crafting Disorder
- Crafty Crimes
- Craig Kennedy Stories
- Craks in a Marriage
- Cranberry Crimes
- Crash in Cherry Hills
- Crazed Reckoning, A Nick Spinelli Mystery
- Crazy Like a Fox
- Cream Puff Murder
- Cream Puff Murder: A Seagrass Sweets Cozy Mystery (Book 1)
- Creamed at the Coffee Cabana
- Creepy Hollow
- Cremains of the Day
- Cremas, Christmas Cookies, and Crooks
- Creme Brulee Murder
- Crepe Factor
- Crepe Murder
- Crescent Falls Bundle
- Crewel and Unusual
- Crewel Intentions
- Crewel World
- Crewel Yule
- Crime (and Lager) (A European Voyage Cozy Mystery—Book 3)
- Crime (et Bière) (Un voyage européen – Livre 3)
- Crime and Poetry
- Crime And...
- Crime at Christmas
- Crime au Café (Un Roman Policier de Lacey Doyle – Tome 3)
- Crime Collection, The Buck Taylor Novels
- Crime du Jour
- Crime in the Café (A Lacey Doyle Cozy Mystery—Book 3)
- Crime in the Country
- Crime no Café (Um Mistério de Lacey Doyle — Livro 3)
- Crime of Slahin'
- Crime of the Ancient Marinara
- Crime Rib
- Crime Seen
- Crimen en la café (Un misterio cozy de Lacey Doyle – Libro 3)
- Crimes and Covers
- Crimes In The Countryside
- Crimes Most Merry and Albright: A Maizie Albright Star Detective "Between Cases" Holiday Omnibus
- Criminal Crumbs
- Criminal Intent
- CRISPR'd
- Croak, Monsieur!
- Croakies & Scream
- Croakies Monster
- Crocuses and Crime
- Croissant Murder
- Crocuses and Crime
- Croissant Murder
- Crooked Curse
- Crops and Robbers
- Cross Talk (Caught Dead in Wyoming mystery series, Book 11)
- Cross-Stitch Before Dying
- Crossing the Lion
- Crouching Buzzard, Leaping Loon
- Crowned and Moldering
- Crucero para asesinar
- Cruel as the Grave
- Cruel Capers on the Caribbean
- Cruel Winter
- Cruising for Murder
- Crumb and Punishment
- Crumbled to Pieces
- Crumbs of Passion
- Crushcaked to Death
- Crushed
- Crushed in Christmas River
- Cry for Help
- Cry Me a River
- Cry Wolf
- Crypt Suzette
- Cryptic Cove Cozy Mystery Series Books 1-3
- Crystals and Criminals
- Cuatro de Julio Fatal: Un Caso Para Sabuesos
- Culinary Criminality
- Cupboards Full of Skeletons
- Cupcake & Murder (A Dana Sweet Cozy Mystery Boxed Set Books 1-10)
- Cupcake & Murder Collection (Dana Sweet Cozy Mysteries Books 1-3)
- Cupcakes and Conspiracy
- Cupcakes and Cyanide
- Cupcakes, Bars, and Rock Stars
- Cupcakes, Bats, and Scaredy Cats
- Cupcakes, Butterflies & Dead Guys
- Cupcakes, Cauldrons, and Cadavers
- Cupcakes, Diaries, and Rotten Inquiries
- Cupcakes, Lies, and Dead Guys
- Cupcakes, Paws, and Bad Santa Claus
- Cupcakes, Pies, and Hometown Guys
- Cupcakes, Sales, and Cocktails
- To Live and Let Lie
- Curated Murder
- Curiosity Killed the Cat Sitter
- Curiosity Thrilled the Cat
- Curl Up And Dye
- Curse of the Black Widow
- Curse of the Kissing Cousins
- Curse of the Lost Tiki