- Cabane sinistre
- Cable Car to Catastrophe
- Caboose on the Loose
- Caccia al tesoro impossibile
- Calendar Mysteries #10: October Ogre
- Calendar Mysteries #11: November Night
- Calendar Mysteries #12: December Dog
- Calendar Mysteries #13: New Year's Eve Thieves
- Calendar Mysteries #1: January Joker
- Calendar Mysteries #2: February Friend
- Calendar Mysteries #3: March Mischief
- Calendar Mysteries #4: April Adventure
- Calendar Mysteries #5: May Magic
- Calendar Mysteries #6: June Jam
- Calendar Mysteries #7: July Jitters
- Calendar Mysteries #8: August Acrobat
- Calendar Mysteries #9: September Sneakers
- Cam Jansen and The Graduation Day Mystery #31
- Cam Jansen and the Joke House Mystery
- Cam Jansen and the Spaghetti Max Mystery
- Cam Jansen: Cam Jansen and the Mystery Writer Mystery #27
- Cam Jansen: Cam Jansen and the Secret Service Mystery #26
- Cam Jansen: Cam Jansen and the Sports Day Mysteries
- Cam Jansen: Cam Jansen and the Wedding Cake Mystery #30
- Cam Jansen: The Basketball Mystery #29
- Cam Jansen: The Green School Mystery #28
- Cam Jansen: The School Play Mystery #21
- Camp Creepy
- Camp Creepy Creek: Case of the Curious Crow
- Camp Fear Ghouls
- Cole de espías 2 - Campamento de espías
- Campfire Vampire
- Camping Chaos
- Candy Is Dandy
- Candy Kingdom Chaos
- Cape Mermaid Mystery
- Capital Mysteries #10: The Election-Day Disaster
- Capital Mysteries #11: The Secret at Jefferson's Mansion
- Capital Mysteries #12: The Ghost at Camp David
- Capital Mysteries #13: Trapped on the D.C. Train!
- Capital Mysteries #14: Turkey Trouble on the National Mall
- Capital Mysteries #1: Who Cloned the President?
- Capital Mysteries #2: Kidnapped at the Capital
- Capital Mysteries #3: The Skeleton in the Smithsonian
- Capital Mysteries #4: A Spy in the White House
- Capital Mysteries #5: Who Broke Lincoln's Thumb?
- Capital Mysteries #6: Fireworks at the FBI
- Capital Mysteries #7: Trouble at the Treasury
- Capital Mysteries #8: Mystery at the Washington Monument
- Carla Chamäleon: Fiese Tricks
- Carmen Sandiego 1 - ¿Quién es Carmen Sandiego?
- Carmen Sandiego 2 - Operación mochila-cohete
- Carmen Sandiego 3 - Operación tigre
- Carnival of the Lost
- Case Closed #4: Danger on the Dig
- Case File 10: The Case of Allie's Really Very Bad Singing
- Case File 12: The Case of the Messy Mucked Up Masterpiece
- Case File 14: The Case of the Felon with Frosty Fingers
- Case File 15: The Case of the Bogus Banknotes
- Case File 22: The Case of the Seal Who Gets All Up In Your Face
- Case File 24: The Case of the Fish That Flew the Coop
- Case File 3: The Case of the Impolite Snarly Thing
- Case File 5: The Case of the Plot to Pull the Plug
- Case File 8: The Case of the Stinky Smell
- Case of Foul Play on a School Day
- Case of the Bookstore Burglar #3
- Case of the Christmas Concert Catastrophe
- Case of the Couch Potato Caper / VeggieTales
- Case of the Sabotaged Spaghetti
- Case of the Sinking Circus #4
- Case of the Sneaky Snowman
- Case of the Stinkies
- Case of the Topsy-Turvy Toy #2
- Case of the Uncrackable Code
- Casper Candlewacks in the Claws of Crime!
- Cat Burglar Caper
- Catch a Crooked Clown
- Cats and Curses
- Cats in Rome
- Cats, Wizards and Honey - A Collection Of Childhood Stories
- Caught in the Crossfire
- Century #1: Ring of Fire
- Cero a la izquierda
- Chance for Solinea
- Charles-Auguste Milverton
- Charlie and Frog
- Charlie and Frog: The Boney Hand
- Charlie and the Rubber Ducky Early Learning
- Charlie Borrows My Dream
- Charlie Palmer Says
- Chase
- Check in to Danger
- Cherry Ames Set 1, Books 1-4
- Cherry Ames Set 2, Books 5-8
- Cherry Ames Set 4, Books 13-16
- Cherry Ames Set 5, Books 17-20
- Cherry Ames, Army Nurse
- Cherry Ames, Boarding School Nurse
- Cherry Ames, Camp Nurse
- Cherry Ames, Companion Nurse
- Cherry Ames, Cruise Nurse
- Cherry Ames, Department Store Nurse
- Cherry Ames, Flight Nurse
- Cherry Ames, Island Nurse
- Cherry Ames, Jungle Nurse
- Cherry Ames, Private Duty Nurse
- Cherry Ames, Rural Nurse
- Cherry Ames, Staff Nurse
- Cherry Ames, Student Nurse
- Cherry Ames, The Mystery in the Doctor's Office
- Cherry Ames, Veteran's Nurse
- Cherry Ames, Visiting Nurse
- Chester Bentley and the Ghost of Asher Worth
- Chester Bentley and The King of Pirates
- Chester Bentley and The King of Pirates - Classic Edition
- Chester Bentley and The Last Treasure of Ancient England
- Chester Bentley and The King of Pirates - Classic Edition
- Chester Bentley and The Last Treasure of Ancient England
- Chester Bentley and The Prize of Roman Britain - Classic Edition
- Chi li ha visti?
- Chicago Bound
- Chick-napped!
- Chocolate
- Chroniken von York (Band 1) - Die Suche nach dem Schattencode
- CHUM: A Caleb Stark FBI Short Story
- Cinco casos para Sherlock Holmes
- Circus Act
- Cirque Du Freak
- Cita con el misterio
- City Crime - Blutspur in Berlin
- City Crime - Vermisst in Florenz
- CITY HEROES - Findet Nexus!
- City Spies
- Ciudad miedo
- Claus & Frost: The Nearly Disastrous Day Before Christmas
- Claws of Rage
- Clayton Stone, At Your Service
- Cleverest Thief
- Click Here to Start (A Novel)
- Clocked!
- Club Dread
- Clube do Esqueleto
- Cluedo. School of mystery. Un delitto di troppo
- COACH AMOS
- Cochon vole
- Cocotibur
- Code Red
- Cold Case
- Cold Shoulder Road
- Cole de espías 1 - Cole de espías
- Cole de espías 3 - Cole de espías malvados
- Puck 1 - Colegiala
- Colegio maldito
- Mission Blackbone - Bloody phone - Tome 1 - Roman dès 15 ans
- Comic Con Artist
- Connect the Scotts
- Connexion
- Control en copy
- Cooking Camp Disaster
- Coop Knows the Scoop
- Coordenadas para un crimen 2
- Coordenadas para un crimen 3
- Cornelius Krut 2 - Sagen om komponistens spøgelse
- Cornelius Krut 1 - Sagen om Hopovic Junior
- Cornelius Krut 3 - Sagen om varanens kys
- Cornelius Krut 4 - Sagen om Frizellas forbandelse
- Cornelius Krut 5 - Sagen om blodsugerens børn
- Countdown to Danger #3 Deadly Heist
- Courage
- Courtney Case and the Blue Thief
- Courtney Case and the Garden Gloves
- COWBOY Pitt
- Cowpokes and Desperados