- Made to Kill
- Made-up for Murder
- MADE: A Sempre Novel
- Madeiraschweigen
- Madeirasturm
- Madeleine Murder
- Madeleine Murder: A Seagrass Sweets Cozy Mystery
- Madeleine Takes Command
- Madeleine Tel. 136211
- Madeline's Jewel
- Madeline's Miracles
- Madelon
- Mademoiselle de Malepeire by Fanny Reybaud,
- Mademoiselle de Scuderi (Fantasy and Horror Classics)
- Mademoiselle de Scuderi and Other Tales
- Mademoiselle Sherlock
- Mademoiselle Souris
- Mademoiselle X
- Madhouse
- Madhouse Fog
- Madigan Mine
- Madison Cruz Mysteries-Books 1-3
- Madison Square Murders
- Madju-Raj: The Messenger of Death.
- Madman (Love & Chaos #1)
- Madman on a Drum
- Madman's Dance
- Madness
- Madness and Magnolias
- Madness and Murder in the Bay
- Madness At Midnight Revenge
- Madness at the Manor
- Madness Ends
- Madness Is Better Than Defeat
- Madness Lies
- Madness of the Q
- Madness Under the Tracks
- Mado
- Madoffs Traum
- Madolix
- Madonna
- Madonna And Child
- Madonna Dilemma
- Madonna z Notre-Dame
- Madre perfecta
- Madre sin alma
- Madrid 2030. Grupo de Homicidios
- Madrid Negro
- Madtown Redux
- Maduro para el asesinato (Un misterio cozy en los viñedos de la Toscana—Libro 1)
- Maduro para la muerte (Un misterio cozy en los viñedos de la Toscana—Libro 2)
- Mae Q'West and the Sign of the Stars
- MAELSTROM
- Maelstrom Inherited
- Maelstrom Rising
- Maelstrom: The Downing of Eagle21
- Maelstroms of the Silent
- Maestra
- Maestra - Édition française
- Maestrale
- Maestria
- Maestro z Sankt Petersburga
- Maestros de la Prosa - Arthur Conan Doyle
- The Close
- MAFIA
- Mafia
- Mafia and Magics
- Mafia Band 1: Thriller
- Mafia de l'Art (Le Celte)
- Mafia Madame
- Mafia protocole
- Mafia Sex Lure
- Mafia Sons
- Mafiela
- Mafioso
- Mafisto
- Mag Gatling
- Magamért szeressen
- Magdalena's Conflict
- Magdalenahuset
- Magdalenas Tagebuch
- Magdalenes Geheimnis
- Magee Island
- Magee Murder Mysteries 1: Lakestone
- Magellan 7
- Magellan Route
- Magellans kors
- Magenta Fleurs
- Magermilch
- Maggie
- Maggie Dayton
- Maggie for Hire
- Maggie Get Your Gun
- Maggie Goes Medieval
- Maggie Goes to Hollywood
- Maggie In Too Deep
- Maggie May and Miss Fancypants Mysteries Books 1 - 3
- Maggie May and Miss Fancypants Mysteries Books 4 - 6
- Maggie Needs An Alibi