Peter Clancy Mystery

The Mystery of the Thirteenth Floor (1919)
The Unlatched Door (1920)
That Affair at The 'Cedars' (1921)
Q.E.D. (1922)
The Sinister Mark (1923)
The Key (1924)
Doctor SOS (1925)
Poison (1926)
Alias Dr Ely (1927)
The Darkest Spot (1928)
Dead Men's Shoes (1929)
They Tell No Tales (1930)
Persons Unknown (1931)
Set a Thief (1931)
     aka To Catch A Thief
The Last Shot (1931)
The Glass Knife (1932)
The Scrimshaw Millions (1932)
Counterfeit (1933)
     aka Counterfeit Bill
Hell Gate Tides (1933)
The Second Bullet (1934)
     aka The Second Shot
Dead Storage (1935)
     aka The Death Weed
Dark of the Moon (1936)
     aka Death in the Gorge
Dead End Street No Outlet (1936)
     aka Murder in the Mirror
A Man's Enemies (1937)
     aka This Man’s Doom
Last Trump (1937)
Lightning Strikes Twice (1939)
Stark Murder (1939)
Sudden Death (1939)
     aka Red Handed
Guilty (1940)
X Marks the Spot (1940)
Hallowe'en Homicide (1941)
Murder is Out (1942)
Murder on Location (1942)
Accessory After the Fact (1943)
Hanging's Too Good (1943)
A Plain Case of Murder (1944)
Five Bullets (1944)
Accident, Manslaughter Or Murder? (1945)
A Hair's Breadth (1946)
The Jaws of Death (1946)
Murder Stalks the Circle (1947)
Out, Brief Candle! (1948)
Pig in A Poke (1948)
Evil Root (1949)
Too Long Endured (1950)
Within the Vault (1950)
Do Not Disturb (1951)
     aka Clancy's Secret Mission
Guilt Edged (1951)
     aka Guilt Edged Murder
Blood on the Knight (1952)
The Prisoner Pleads Not Guilty (1953)
Dead Reckoning (1954)
     aka Murder on the Pacific
No Holiday for Death (1954)
Who Benefits? (1955)
     aka Fatal Alibi
Guilt Is Where You Find It (1958)
Still No Answer (1958)
Two Ways to Die (1959)
Dead on Arrival (1960)
And One Cried Murder (1961)
Dusty Death (1966)
     aka Death Walks in Shadow