- M Issue 1
- M-theory
- M.R. 13/18
- Ma vie sera pire que la tienne
- Mabasa Wacho:-Justified
- Mac D: Private Investigator
- Macabre Justice
- Macbeth
- Maccaia
- MacGregor
- Machaland: The Hollywood Crime Novels
- Machine of War
- Machines And Men
- Machtlos: Thriller
- Machu Picchu, c'est pas le Pérou
- Maddie Richards Gift Set: Two Mystery Novels
- Made Safe
- Made-for-TV Murders
- Madman on a Drum
- Mado
- Maestra - Édition française
- The Close
- Magic Murders
- Magie Noire à Saint-Malo
- Magnetic Sweat Snatchers
- Mahoney’s Camaro
- Maiden Lane
- Maine in black
- Majoring in Murder
- Malaventuranzas
- Malcolm Sage, Detective
- Malcolm Sage, Detective (Musaicum Vintage Mysteries)
- Malebête
- Malesia blues
- Malniveau Prison (The Twenty-Year Death Trilogy Book 1)
- Malo in Madrid or the Case of the Polish Widow
- Malone Mystery Novels Box Set: Come What May, Fair Is Foul and Foul Is Fair, Cold Comfort
- Malone Mystery Novels Two Book Set No. 1
- Malvagi d'Italia
- Mama's Gone
- Mamba In A Basket
- Man Alive
- Man Hungry
- Man of Steele
- Man of the Hour
- Man of the World
- Man with an Axe
- Man's Ruin
- Manda flores a mi entierro
- Mandender der kaldte sig mor
- Mangled
- Manhattan Noir
- Manhattan Vertigo
- MANHUNT IN FRANCE
- Manhunt Is My Mission
- Manifest Intent
- Manifesto Destination
- Maniobra de evasión
- Maniobra de evasión - Episodio 1
- Maniobra de evasión - Episodio 1 y 2
- Maniobra de evasión - Episodio 3
- Maniobra de evasión - Episodio 4
- Maniobra de evasión - Episodio 5
- Maniobra de evasión - Episodio 6
- Manipulation
- Mantis Religiosa
- Mantiss
- Marc-Antoine DECOME - Détective
- Marche ou greffe !
- Margin of Error
- Maria Viani e le ombre del '68
- Maria's Girls
- Mariani allo specchio
- Mariani e il caso irrisolto
- Mariani e il peso della colpa
- Mariani e la cagna
- Mariani e le mezze verità
- Mariani e le porte chiuse
- Mariani. Il caso cuorenero
- Marilyn the Wild
- Marionnettes
- Mark the Sparrow
- Marked for Murder
- Marlow: Banana Wind
- Marlow: Dark Waters
- Marlow: Hurricane Bay
- Marlow: Indigo Tide
- Marlow: Mango Run
- Marlow: Midnight Blues
- Marlow: Papa's Legacy
- Marlow: The Neon Goodbye
- Marlow:Something Wicked
- Marlow: The Neon Goodbye
- Marlow:Something Wicked
- Mars is a Bummer, Man
- Martin Hewitt, Investigator
- Martin's Voice
- Martinis and Murder
- Marée blanche en Atlantique
- Marée rouge à Plestin-les-Grèves
- Mask Market
- Mask of Vengeance
- Masks, Mayhem and Murder
- Masquerade and the Nameless Women
- Masquerade: The Iron Eagle Series Book Twenty-Three
- Massacrare con cura
- Massacro a New York
- Masters of Noir: Volume Four
- Masters of Noir: Volume One
- Masters of Noir: Volume Three
- Masters of Noir: Volume Two
- Matando a Castro
- Matar al heredero
- Matar y guardar la ropa
- Matematiche certezze
- Mathilde
- Matryoshka
- Matt Kile Combo Set Three. 2 novels and an excerpt
- Maturità
- Maulwurfjagd: Thriller
- Mauvais garçons
- Mauvaise compagnie
- Mauvaise Foi
- Mauvaise influence
- Max P.I.
- MAX PAYNE
- Maximum
- Maxwell Marlowe, Private Eye...Blackmail in Paradise
- Maxwell Marlowe, Private Eye...The Case of the Missing Stamp and Coin Collections
- McCone and Friends
- McHugh
- Mecca for Murder
- Med en mördares ansikte
- Meet Me at the Morgue
- Meets Halloween Jack
- Mehr Berliner Morde: Drei Krimis
- Mehr Krimis für den Strand - Acht Romane