Books about Detective and mystery stories (sorted alphabetically)
- Cask Freeman Wills Crofts
- Castlecourt Diamond Mystery Geraldine Bonner
- Castle Of The Shadows A. M. Williamson
- Cato, the creeper; or, The demon of Dead-Man's Forest Frederick H. Dewey
- Cat's Paw Natalie Sumner Lincoln
- Caught in the Net Emile Gaboriau
- Caves of Fear: A Rick Brant Science-Adventure Story Harold L. Goodwin
- Chain of Evidence Carolyn Wells
- Champdoce Mystery Emile Gaboriau
- Charing Cross Mystery J. S. Fletcher
- chateâu des Carpathes (French) Jules Verne
- Chestermarke Instinct J. S. Fletcher
- Cheyne mystery Freeman Wills Crofts
- Chief Legatee Anna Katharine Green
- Childerbridge Mystery Guy Boothby
- Christopher Quarles: College Professor and Master Detective Percy James Brebner
- Cigarette Clew; Or, "Salted" For a Million Nicholas Carter
- Cinema Murder E. Phillips Oppenheim
- Circular Study Anna Katharine Green
- clavo (Spanish) Pedro Antonio de Alarcón
- Cleek of Scotland Yard: Detective Stories Thomas W. Hanshew
- Cleek: the Man of the Forty Faces Thomas W. Hanshew
- Cleek, the Master Detective Thomas W. Hanshew
- Clevedon Case John Oakley and Nancy Oakley
- Cleverdale Mystery; or, The Machine and Its Wheels: A Story of American Life W. A. Wilkins