Introducing the Toff (1938)

The Toff Goes On (1939)

The Toff Steps Out (1939)

Here Comes the Toff (1940)

The Toff Breaks In (1940)

Salute the Toff (1941)

The Toff Proceeds (1941)

The Toff Goes to Market (1942)

The Toff Is Back (1942)

The Toff Among Millions (1943)

Accuse the Toff (1943)

The Toff and the Curate (1944)
APA: The Toff and the Deadly Parson (1970)

The Toff and the Great Illusion (1944)

Feathers for the Toff (1945)

The Toff and the Lady (1946)

The Toff on Ice (1946)
APA: Poison for The Toff (1965)

Hammer the Toff (1947)

The Toff in Town (1948)

The Toff Takes Shares (1948)

The Toff and Old Harry (1949)

The Toff on Board (1949)

Fool the Toff (1950)

Kill the Toff (1950)

A Knife for the Toff (1951)

The Toff Goes Gay (1951)
APA: A Mask for the Toff (1966)

Hunt the Toff (1952)

Call the Toff (1953)

The Toff Down Under (1953)
APA: Break the Toff (1970)

Murder Out of the Past, and Under-Cover Man (1953) [SS]

The Toff at Butlin’s (1954)

The Toff at the Fair (1954)

The Toff on the Trail (1954) [SS]

A Six for the Toff (1955)
APA: A Score for the Toff (1972)

The Toff and the Deep Blue Sea (1955)

Make-Up for the Toff (1956)
APA: Kiss the Toff (1971)

The Toff in New York (1956)

Model for the Toff (1957)

The Toff on Fire (1957)

The Toff and the Stolen Tresses (1958)

The Toff on the Farm (1958)
APA: Terror for the Toff (1965)

Double for the Toff (1959)

The Toff and the Runaway Bride (1959

A Rocket for the Toff (1960)

The Toff and the Kidnapped Child (1960)

Follow the Toff (1961)

The Toff and the Teds (1961)
APA: The Toff and the Toughs (1968)

A Doll for the Toff (1963)

Leave It to the Toff (1963)

The Toff and the Spider (1965)

The Toff in Wax (1966)

A Bundle for the Toff (1967)

Stars for the Toff (1968)

The Toff and the Golden Boy (1969)

The Toff and the Fallen Angels (1970)

Vote for the Toff (1971)

The Toff and the Trip-Trip-Triplets (1972)

The Toff and the Terrified Taxman (1973)

The Toff and the Sleepy Cowboy (1974

The Toff and the Crooked Copper (1977)

The Toff and the Dead Man’s Finger (1978) [completed by William Vivian Butler]

Redhead (1933)

The Death Miser (1933)

First Came a Murder (1934)

Death ’round the Corner (1935)

The Mark of the Crescent (1935)

Thunder in Europe (1936)

The Terror Trap (1936)

Carriers of Death (1937)

Days of Danger (1937)

Death Stands By (1938)

Menace! (1938)

Murder Must Wait (1939)

Panic! (1939)

Death by Night (1940)

The Island of Peril (1940)

Sabotage (1941)

Go Away Death (1941)

The Day of Disaster (1942)

Prepare for Action (1942)

No Darker Crime (1943)

Dangerous Quest (1944)

Dark Peril (1944)

The Peril Ahead (1946)

The League of Dark Men (1947)

The Department of Death (1949)

The Enemy Within (1950)

Dead or Alive (1951)

A Kind of Prisoner (1954)

The Black Spiders (1957)

Traitor’s Doom (1942)

The Legion of the Lost (1943)

The Valley of Fear (1943)
APA: The Perilous County (1973)

Death in the Rising Sun (1945)

The Hounds of Vengeance (1945)

The Show of Doom (1946)

The House of Bears (1946)

Dark Harvest (1947)

The Wings of Peace (1948)

The Sons of Satan (1948)

The Dawn of Darkness (1949)

The League of Light (1949)

The Man Who Shook the World (1950)

The Prophet of Fire (1951)

The Children of Hate (1952)
APA: The Children of Despair (1958)
APA: The Killers of Innocence (1971)

The Touch of Death (1954)

The Mists of Fear (1955)

The Plague (1958)

The Drought (1959)

The Terror: The Return of Dr. Palfrey (1962)

The Depths (1963)

The Sleep! (1964)

The Inferno (1965)

the Famine (1967)

The Blight (1968)

The Oasis (1969)

The Smog (1970)

The Unbegotten (1971)

The Insulators (1972)

The Voiceless Ones (1973)

The Thunder Maker (1976)

Inspector West Takes Charge (1942)

Inspector West Leaves Town (1943)
APA: Go Away to Murder (1972)

Inspector West at Home (1944)

Inspector West Regrets (1945)

Holiday for Inspector West (1946)

Battle for Inspector West (1948)

Triumph for Inspector West (1948)
APA: The Case Against Paul Raeburn (1958)

Inspector West Kicks Off (1949)
APA: Sport for Inspector West (1971)

Inspector West Alone (1950)

Inspector West Cries Wolf 1950
APA: The Creepers (1952)

Puzzle for Inspector West (1951)
APA: The Dissemblers (1967)

The Figure In the Dusk (1952)
APA: A Case for Inspector West (1951)

The Blind Spot (1952)
APA: Inspector West at Bay (1954)
APA: The Case of the Acid Throwers (1955)

A Gun for Inspector West (1953)
APA: Give a Man a Gun (1954)

Send Inspector West (1953)
APA: Send Superintendent West (1976)

Two for Inspector West (1955)
APA: Murder: One, Two, Three (1960)
APA: Murder Tips the Scales (1962)

A Beauty for Inspector West (1954)
APA: The Beauty Queen Killer (1956)
APA: So Young, So Cold, So Fair (1958)

Inspector West Makes Haste (1955)
APA: The Gelignite Gang (1956)
APA: Night of the Watchman (196?)
APA: Murder Makes Haste (197?)

A Prince for Inspector West (1956)
APA: Death of an Assassin (1960)

Parcels for Inspector West (1956)
APA: Death of a Postman (1957)

Accident for Inspector West (1957)
APA: Hit and Run (1959)

Find Inspector West (1957)
APA: Trouble at Saxby’s (1959)
APA: Doorway to Death (1961)

Murder London-New York (1958)

Strike for Death (1958)
APA: The Killing Strike (1961)

Case of the Innocent Victims (1959)

Death of a Racehorse (1959)

Murder on the Line (1960)

Death in Cold Print (1961)

Policeman’s Dread (1961)

The Scene of the Crime (1961)

Hang the Little Man (1963)

Look Three Ways to Murder (1964)

Murder London-Australia (1965)

Murder London-South Africa (1966)

The Executioners (1967)

So Young to Burn (1968)

Murder London-Miami (1969)

Part for a Policeman (1970)

Alibi (1971)

A Splinter of Glass (1972)

Theft of the Magna Carta (1973)

The Extortioners (1975)

A Sharp Rise in Crime (1978)

The Case of the Murdered Financier (1937)

The Great Air Swindle (1939)

The Man from Fleet Street (1940)

The Case of the Mad Inventor (1942)

Private Carter’s Crime (1943)

Seven Times Seven (1932)

Men, Maids, and Murder (1933)

The Mountain of the Blind (1960)

The Foothills of Fear (1961)

The Masters of Bow Street (1972)

Death on Demand (1939)

Terror by Day (1940)

Secret Murder (1940)

Ware Danger (1941)

Murder Most Foul (1941)

There Goes Death (1942)

Death in High Places (1942)

Death in Flames (1943)

Two Men Missing (1943)

Rogues Rampant (1944)

Death on the Move (1945)

Invitation to Adventure (1945)

Here is Danger (1946)

Give Me Murder (1947)

Murder Too Late (1947)

Engagement with Death (1948)

Dark Mystery (1948)

Kill or Be Killed (1949)

A Puzzle in Pearls (1949)

Murder with Mushrooms (1950)

The Dark Circle (1950)

Death in Diamonds (1951)

Death in a Hurry (1952)

Missing or Dead (1952)

The Long Search (1953)
APA: Drop Dead (1954)

Sleepy Death (1953)

Death in the Trees (1954)

Double for Death (1954)

The Kidnapped Child (1955)
APA: The Snatch (1965)

Day of Fear (1956)

Wait for Death (1957)

Come Home to Death (1958)
APA: The Pack of Lies (1959)

Elope to Death (1959)

Don’t Let Him Kill (1960)
APA: The Man Who Laughed at Murder (1960)

The Crime Haters (1960)

Rogue’s Ransom (1961)

Death from Below (1963)

The Big Call (1964)

A Promise of Diamonds (1964)

A Taste of Treasure (1966)

A Clutch of Coppers (1967)

A Shadow of Death (1968)

A Scream of Murder (1969)

A Nest of Traitors (1970)

A Rabble of Rebels (1971)

A Life for a Death (1973)

A Herald of Doom (1974)

A Blast of Trumpets (1975)

A Plague of Demons (1976)

No Need to Die (1956)

Meet the Baron (1937)
APA: The Blue Mask (1937)

The Baron Returns (1937)
APA: The Return of the Blue Mask (1937)

The Baron Again (1938)
APA: Salute the Blue Mask! (1938)

The Baron at Bay (1938)
APA: The Blue Mask at Bay (1938)

Alias the Baron (1939)
APA: Alias the Blue Mask (1939)

The Baron at Large (1939)
APA: Challenge the Blue Mask! (1939)

Versus the Baron (1940)
APA: Blue Mask Strikes Again (1940)

Call for the Baron (1940)
APA: Blue Mask Victorious (1940)

The Baron Comes Back (1943)

A Case for the Baron (1945)

Reward for the Baron (1945)

Career for the Baron (1946)

The Baron and the Beggar (1947)

A Rope for the Baron (1948)

Books for the Baron (1949)

Cry for the Baron (1950)

Trap the Baron (1950)

Blame the Baron (1951)

Attack the Baron (1951)

Shadow the Baron (1951)

Warn the Baron (1952)

The Baron Goes East (1953)

The Baron in France (1953)

Danger for the Baron (1953)

The Baron Goes Fast (1954)

Nest-Egg for the Baron (1954)
APA: Deaf, Dumb and Blonde (1961)

Help from the Baron (1955)

Hide the Baron (1956)

Frame the Baron (1957)
APA: The Double Frame (1961)

Red Eye for the Baron (1958)
APA: Blood Red (1960)

Black for the Baron (1959)
APA: Everything Happens to Hester (1962)

Salute for the Baron (1960)

A Branch for the Baron (1960)
APA: The Baron Branches Out (1967)

Bad for the Baron (1962)
APA: The Baron and the Stolen Legacy (1967)

A Sword for the Baron (1963)
APA: The Baron and the Mogul Swords (1966)

The Baron on Board (1964)

The Baron and the Chinese Puzzle (1965)

Sport for the Baron (1966)

Affair for the Baron (1967)

The Baron and the Missing Old Masters (1968)

The Baron and the Unfinished Portrait (1969)

Last Laugh for the Baron (1970)

The Baron Goes A-Buying (1971)

The Baron and the Arrogant Artist (1972)

Burgle the Baron (1973)

The Baron, King Maker (1975)

Love for the Baron (1979)

Gideon’s Day³ (1955)
APA: Gideon of Scotland Yard (58)

Gideon’s Week³ (1956)
APA: Seven Days to Death (1958)
Finalist 1956 Crossed Red Herrings Award

Gideon’s Night³ (1957)

Gideon’s Month (1958)

Gideon’s Staff (1959)

Gideon’s Risk (1960)

Gideon’s Fire (1961)
1962 Edgar Award for Best Mystery

Gideon’s March¹ (1962)

Gideon’s Ride (1963)

Gideon’s Vote (1964)

Gideon’s Lot (1964)

Gideon’s Badge (1966)

Gideon’s Wrath⁴(1967)

Gideon’s River⁴ (1968)

Gideon’s Power (1969)

Gideon’s Sport (1970)

Gideon’s Art (1971)

Gideon’s Men (1972)

Gideon’s Press (1973)

Gideon’s Fog¹ (1974)

Gideon’s Drive¹ (1976)

Gideon’s Force² (1978)

Gideon’s Law² (1980)

Gideon’s Way² (1983)

Gideon’s Raid² (1986)

Gideon’s Fear² (1990)

Fire of Death (1934)

The Black Heart (1935)

The Casino Mystery (1935)

The Crime Gang (1935)

The Death Drive (1935)

Number One’s Last Crime (1935)

The Stolen Formula Mystery (1935)

The Big Radium Mystery (1936)

The Day of Terror (1936)

The Dummy Robberies (1936)

No One’s Last Crime (1936)

The Hypnotic Demon (1936)

The Moat Farm Mystery (1936)

The Secret Fortune (1936)

The Successful Alibi (1936)

The Hadfield Mystery (1937)

The Moving Eye (1937)

The Raven (1937)

The Mountain Terror (1938)

For Her Sister’s Sake (1938)

The Verrall Street Affair (1940)

Play for Murder (1946)

The Silent House (1947)

Why Murder? (1948)

Intent to Murder (1948)

The Man I Didn’t Kill⁵ (1950)

No Hurry to Kill (1950)

Double for Murder (1951)

Golden Death (1952)

Look at Murder (1952)

Murder Ahead (1953)

Death in the Spanish Sun⁵ (1954)

Incense of Death (1954)

Secret Errand⁶ (1939)

Dangerous Journey⁶ (1939)

Unknown Mission (1940)

The Withered Man (1940)

I Am the Withered Man⁶ (1941)

Where Is the Withered Man? (1942)

Return to Adventure (1943)

Gateway to Escape (1944)

Come Home to Crime (1945)

Mark Kirby Solves a Murder (1959)
APA: R.I.S.C. (1962)
APA: The Timid Tycoon (1965)

Mark Kirby and the Secret Syndicate (1960)
APA: The Secret Syndicate (1961)

Mark Kirby and the Miami Mob (1960)

The Hollywood Hoax (1961)

Mark Kirby Stands Alone (1962)
APA: Mark Kirby and the Manhattan Murders (1966)

Mark Kirby Takes a Risk (1962)

Take a Body (1951)

Lame Dog Murders (1952)

Murder in the Stars (1953)

Man on the Run (1953)

Four Find Danger (1937)

Three for Adventure (1937)

Two Meet Trouble (1938)

Murder Comes Home (1940)

Heir to Murder (1940)

Murder by the Way (1941)

Who Saw Him Die? (1941)

Foul Play Suspected (1942)

Who Died at the Grange? (1942)

Five to Kill (1943)

Murder at King’s Kitchen (1943)

Who Said Murder? (1944)

No Crime More Cruel (1944)

Crime with Many Voices (1945)

Murder Makes Murder (1946)

Mastery Motive⁷ (1947)

Lend a Hand to Murder (1947)

First a Murder⁷ (1948)

No End to Danger (1948)

Who Killed Rebecca? (1949)

The Dying Witnesses (1949)

Dine with Murder (1950)

Murder Week-End (1951)

Quarrel with Murder (1951)

Murder at End House (1955)

Murder Assured (1958)

The Man I Didn’t Kill (1961)

Hate to Kill (1962)

The Guilt of Innocence (1964)

Death in the Spanish Sun (1968)

Find the Body (1945)

Murder Came Late (1946)

Let’s Kill Uncle Lionel (1947)

Run Away to Murder (1947)

Close the Door on Murder (1948)

The Gallows Are Waiting (1949)

First a Murder (1970)

Mystery Motive (1970) [also published under John Creasey]

Murder in the Family (1976)

By Persons Unknown (1941)

Murder Unseen (1943)

No Alibi (1943)

Murder in the Family (1944) [also published in Superintendent Folly series]

Yesterday’s Murder (1945)

Wilful Murder (1946)

Death to My Killer (1950)

Sentence of Death (1950)

Voyage with Murder (1952)

Safari with Fear (1953)

So Soon to Die (1955)

Seeds of Murder (1956)

Sight of Death (1956)

My Brother’s Killer (1958)

Hide and Kill (1959)

To Kill or To Die (1960)
APA: To Kill or Die (1965)

Death out of Darkness (1954)

Out of the Shadows (1954)

Cat and Mouse (1955)
APA: Hilda, Take Heed (1957)

Death of a Stranger (1957)
APA: Come Here and Die (1959)

Runaway (1957)

Missing from Home (1959)
APA: Missing (1960)

Thicker than Water (1959)

Go ahead with Murder (1960)
APA: Two for the Money (1962)

How Many to Kill? (1960)
APA: The Girl with the Leopard Skin Bag (1961)

The Edge of Terror (1961)

The Man I Killed (1961)

The Quiet Fear (1963)

Murder Manor (1937)

Stand by for Danger (1937)

The Circle of Justice (1938)

Three Days’ Terror (1938)

The Crime Syndicate (1939)

Death Looks On (1939)

Murder in the Highlands (1939)

Policeman’s Triumph (1949)

Thief in the Night (1950)

No Escape from Murder (1953)

The Crooked Killer (1954)

The Charity Murders (1954)

Four Motives for Murder (1938)

As Merry as Hell (????)

Triple Murder (1940)
APA: What Dark Motive?

Danger Woman (1966)

Keys to Crime (1947)

Vote for Murder (1948)

Mr. Quentin Investigates (1943)

Introducing Mr. Brandon (1944)

Murder on Largo Island (1944)