Mr. and Mrs. North

The Norths Meet Murder (1940)
Murder Out of Turn (1941)
A Pinch of Poison (1941)
Death on the Aisle (1942)
Hanged for a Sheep (1942)
Death Takes a Bow (1943)
Killing the Goose (1944)
Payoff for the Banker (1945)
Death of a Tall Man (1946)
Murder Within Murder (1946)
Untidy Murder (1947)
Murder Is Served (1948)
The Dishonest Murderer (1949)
Murder in a Hurry (1950)
Murder Comes First (1951)
Dead As a Dinosaur (1952)
Curtain for a Jester (1953)
Death Has a Small Voice (1953)
Key to Death (1954)
Death of an Angel (1955)
Voyage into Violence (1956)
Long Skeleton (1958)
Murder Is Suggested (1959)
The Judge Is Reversed (1960)
Murder Has Its Points (1962)
Murder by the Book (1963)