Leonard Gribble

Anthony Slade and Department X2
   The Case of the Marsden Rubies (1929)
   The Gillespie Suicide Mystery (1929)
     aka The Terrace Suicide Mystery
   The Grand Modena Murder (1931)
   Is This Revenge? (1932)
     aka The Serpentine Murder
   The Stolen Home Secretary (1932)
     aka The Stolen Statesman
   The Riddle of the Ravens (1934)
   The Secret of Tangles (1934)
   The Yellow Bungalow Mystery (1935)
   The Case-Book of Anthony Slade (1937)
   Who killed Oliver Cromwell? (1937)
   The Arsenal Stadium Mystery (1939)
   Tragedy in E Flat (1939)
   Murder First Class (1946)
   Atomic Murder (1947)
   Hangman's Moon (1950)
   They Kidnapped Stanley Matthews (1950)
   The Frightened Chameleon (1951)
   Murder Out of Season (1952)
   The Glass Alibi (1952)
   She Died Laughing (1953)
   The Inverted Crime (1954)
   Death Pays the Piper (1956)
   Superintendent Slade Investigates (1956)
   Stand-In for Murder (1957)
   Don't Argue with Death (1959)
   Wantons Die Hard (1961)
   Heads You Die (1964)
   The Violent Dark (1965)
   Strip-Tease Macabre (1967)
   A Diplomat Dies (1969)
   Alias the Victim (1971)
   Programmed for Death (1973)
   You Can't Die Tomorrow (1975)
   Crime on Her Hands (1977)
   Death Needs No Alibi (1979)

Double Thirteen Thriller (as by Piers Marlowe)
   The Double Thirteen (1947)
   Loaded Dice (1949)

Superintendent Frank Drury (as by Piers Marlowe)
   The Dead Don't Scare (1953)
   The Men in Her Death (1964)
   Promise to Kill (1965)
   A Knife for Your Heart (1966)
   Hire Me a Hearse (1968)

Howard Digburn (as by Bruce Sanders)
   Secret Dragnet (1956)
   To Catch a Spy (1958)
   Code of Dishonour (1964)
   Feminine for Spy (1967)

   Crooner's Swan Song (1935) (as by Leo Grex)
   The Man from Manhattan (1935) (as by Leo Grex)
   The Case of the Malverne Diamonds (1937)
   Transatlantic Trouble (1937) (as by Leo Grex)
   The Carlent Manor Crime (1939) (as by Leo Grex)
   The Black-Out Murders (1940) (as by Leo Grex)
   Murder in the Sanctuary (1940) (as by Leo Grex)
   Bombers Fly East (1944) (as by Bruce Sanders)
   Tawny Menace (1945) (as by Bruce Sanders)
   Coastal Commandos (1946) (as by Sterry Browning)
   The Stalag Mites (1947) (as by Leo Grex)
   King Spiv (1948) (as by Leo Grex)
   The Pilgrims Meet Murder (1948) (as by Dexter Muir)
   The Secret of the Red Mill (1948)
   Crooked Sixpence (1949) (as by Leo Grex)
   The Speckled Swan (1949) (as by Dexter Muir)
   Deadly Jade (1950) (as by Bruce Sanders)
   The Missing Speed Ace (1950)
   The Riddle of the Blue Moon (1950)
   Crime at Cape folly (1951) (as by Sterry Browning)
   Madame Bluebeard (1951) (as by Bruce Sanders)
   Santa Fe gunslick (1951) (as by Sterry Browning)
   Speed Dermot (1951)
   Ace of Danger (1952) (as by Leo Grex)
   Rosemary for Death (1952) (as by Dexter Muir)
   Kiss for a Killer (1953) (as by Bruce Sanders)
   Sally of Scotland Yard (1954) (with Geraldine Laws)
   Sex marks the Spot (1954) (as by Sterry Browning)
   Demon in the Blood (1955) (as by Piers Marlowe)
   Midnight Hazard (1955) (as by Bruce Sanders)
   Dangerous Mission (1957)
   Murders Behind the Bright Lights (1958) (as by Bruce Sanders)
   Thanks for the felony (1958) (as by Leo Grex)
   Larceny in her heart (1959) (as by Leo Grex)
   Murder in Lonely Places (1960) (as by Bruce Sanders)
   Murder in Big Cities (1962) (as by Bruce Sanders)
   Terror wears a smile (1962) (as by Leo Grex)
   The Brass Knuckle (1964) (as by Leo Grex)
   Violent keepsake (1967) (as by Leo Grex)
   Cash My Chips, Croupier (1969) (as by Piers Marlowe)
   Hard Kill (1969) (as by Leo Grex)
   Kill Now - Pay Later (1971) (as by Leo Grex)
   Sisters of Cain (1972)
   Killer in the Shade (1973) (as by Piers Marlowe)
   Hall-mark of Horror (1973)
   Die-as in Murder (1974) (as by Leo Grex)
   Midsummer Slay Ride (1976)
   Cardinal's Diamonds (1976)
   Death Throws No Shadow (1976) (as by Leo Grex)
   Deadly Professionals (1976)
   The Dead End Killers (1978)
   Mix Me a Murder (1978) (as by Leo Grex)
   These Crimes Made Headlines (1980) (as by Leo Grex)
   Dead End in Mayfair (1981)
   Hot Ice (1983) (as by Leo Grex)
   The Dead Don't Scream (1983)
   Violent Midnight (1986)