The Roman Hat Mystery

(1929)

The French Powder Mystery

(1930)

The Dutch Shoe Mystery

(1931)

The Greek Coffin Mystery

(1932)

The Egyptian Cross Mystery

(1932)

The American Gun Mystery

(1933)

The Siamese Twin Mystery

(1933)

The Chinese Orange Mystery

(1934)

The Spanish Cape Mystery

(1935)

Halfway House

(1936)

The Door Between

(1937)

The Devil to Pay

(1938)

The Four of Hearts

(1938)

The Dragon's Teeth

(1939)

Calamity Town

(1942)

There Was an Old Woman

(1943)

The Murderer Is a Fox

(1945)

Ten Days' Wonder

(1948)

Cat of Many Tails

(1949)

Double Double

(1950)

The Origin of Evil

(1951)

The King Is Dead

(1952)

The Scarlet Letters

(1953)

The Glass Village

(1954)

Inspector Queen's Own Case

(1956)

The Finishing Stroke

(1958)

The Player on the Other Side

(1963)

And on the Eighth Day

(1964)

The Fourth Side of the Triangle

(1965)

A Study in Terror

(1966)

Face to Face

(1967)

The House of Brass

(1968)

Cop Out

(1969)

The Last Woman in His Life

(1970)

A Fine and Private Place

(1971)