La serie "Mr. and Mrs. North" de Richard & Frances Lockridge reúne 27 libros y sigue a los Norths en casos de misterio. Entre los títulos figuran "The Norths Meet Murder", "Murder Out of Turn" y "A Pinch of Poison".
Mr. and Mrs. North
1936
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
Death Has a Small Voice
1952
Curtain for a Jester
1953
A Key to Death
1954
Death of an Angel
1955
Voyage Into Violence
1956
The Long Skeleton
1958
Murder Suggested / Murder is Suggested
1959
The Judge is Reversed
1960
Murder Has Its Points
1961
Murder by the Book
1963