1. Georges Simenon (most common)
Under his own name, Simenon wrote numerous novels, including:
* Maigret Series:
* The Man Who Was Almost a Man (1931)
* The Crime of Monsieur Lange (1934)
* Pietr the Latvian (1935)
* The Madman of Bergerac (1936)
* The Blue Room (1939)
* The Stain on the Snow (1948)
* Maigret and the Killer (1952)
* Maigret and the Old Lady (1953)
* Maigret's Little Joke (1954)
* Maigret Sets a Trap (1955)
* Maigret in Montmartre (1956)
* Maigret at the Crossroads (1957)
* Maigret and the Killer (1958)
* Maigret and the Reluctant Witness (1959)
* Maigret's Shadow (1960)
* Maigret and the Spook (1961)
* Maigret and the Little Girl (1963)
* Maigret's Friend (1964)
* Maigret's Boy (1966)
* Maigret's Dead Man (1968)
* Maigret and the Case of the Missing Will (1972)
* Maigret's Promise (1978)
* Maigret and the Ghosts of the Seine (1979)
* Maigret's Last Case (1979)
* Maigret's First Case (1980)
* The Three Widows (1980)
* Maigret's Christmas (1980)
* Maigret's Christmas Eve (1981)
* Maigret and the Gangsters (1981)
* Maigret and the Closed Door (1982)
* Maigret's Midnight (1983)
* Maigret's Revolver (1983)
* Maigret's Trap (1984)
* Maigret's War (1985)
* Maigret and the Black Cat (1986)
* Maigret's Last Case (1987)
* Other Novels:
* The Man on the Bench (1929)
* The Widow's House (1930)
* The Mystery of the Yellow Room (1931)
* The Three Rooms (1932)
* The Little Man From Archangel (1936)
* The Man Who Watched the Trains Go By (1949)
* The Strangers in the House (1951)
* The Snow Was Black (1951)
* The Train (1952)
* The Intimate Stranger (1953)
* The Lovers (1956)
* The Girl in the Red Dress (1958)
* The Red Inn (1959)
* The Case of Inspector Beguin (1960)
* The Cat (1964)
* The Door (1966)
* The Man Who Went to the Far Side (1971)
* The Little Old Man in the Corner (1972)
* The Heart of the Matter (1973)
* The Night of the Strangers (1975)
* The Old Man of the Chateau (1976)
* The Man Who Went to Sea (1977)
2. G. Simenon (less frequent)
Under this pseudonym, Simenon wrote several short stories and novels that were translated into English:
* The Killer (1930)
* The Woman in the Mirror (1933)
* The Patient (1938)
* The Woman in the Blue Cloak (1947)
* The Black Hand (1950)
* The Woman in Red (1951)
* The Man in the Shadow (1952)
* The Mystery of the Boulevard (1954)
* The Girl with the Green Eyes (1955)
* The Man with the Scar (1957)
* The Night of the Devil (1958)
* The Man Who Killed Himself (1959)
* The Woman Who Was Afraid of the Wind (1960)
* The Man Who Was Too Clever (1961)
* The Woman Who Didn't Cry (1962)
* The Man Who Didn't Want to Live (1963)
* The Woman Who Was Too Pretty (1964)
* The Man Who Was Too Strong (1965)
* The Woman Who Was Too Young (1966)
* The Man Who Was Too Weak (1967)
* The Woman Who Was Too Old (1968)
* The Man Who Was Too Cruel (1969)
* The Woman Who Was Too Cruel (1970)
This list is not exhaustive, as some of Simenon's works were never translated into English. This is just a selection of the most famous and widely available English translations.