Här är referenslitteraturen om Agatha Christie's liv och verk, på engelska:

 

The Agatha Christie Centenary u.å.

Studies in Agatha Christie's Writings. The Behaviour of a Good (Great) Deal, a Lot, Lots, Much, Plenty, Many, a Good (Great) Many 1967 (Häftad med skyddsomslag)

Studies in Agatha Christie's Writings. The Behaviour of a Good (Great) Deal, a Lot, Lots, Much, Plenty, Many, a Good (Great) Many 1967 (Inbunden med skyddsomslag)

Agatha Christie. Mistress of Mystery 1967 (Amerikanska utgåvan)

Agatha Christie. Mistress of Mystery 1968 (Brittiska utgåvan)

Get Come and Go Some Aspects of Situational Grammar ; A Study Based on a Corpus Drawn of Agatha Christie 1973

The Mysterious World of Agatha Christie 1975

Andy East's Agatha Christie Quizbook 1975

An Agatha Christie Chronology 1976

The Agatha Christie Mystery 1976

Agatha Christie : First Lady of Crime 1977 (Brittiska utgåvan)

Agatha Christie : First Lady of Crime 1977 (Amerikanska utgåvan)

The Mystery of Agatha Christie 1978

Orient Express. The Life and Times of the World's Most Famous Train 1978 (Amerikanska utgåvan)

Orient Express. The Life and Times of the World's Most Famous Train 1979 (Brittiska utgåvan)

The Bedside, Bathtub & Armchair Companion to Agatha Christie 1979

The Agatha Christie Companion 1980 (Häftad)

The Agatha Christie Companion 1980 (Inbunden)

The Gentle Art of Murder. The Detective Fiction of Agatha Christie 1980

The Agatha Christie Who's Who 1980 (Brittiska utgåvan)

The Agatha Christie Who's Who 1980 (Amerikanska utgåvan)

The Agatha Christie Who's Who 1980 (Kanadensiska utgåvan)

A Talent to Deceive. An Appreciation of Agatha Christie 1980 (Brittiska utgåvan)

A Talent to Deceive. An Appreciation of Agatha Christie 1980 (Amerikanska utgåvan)

Agatha Christie The Art of Her Crimes. The Paintings of Tom Adams 1981 (Amerikanska utgåvan)

Tom Adams' Agatha Christie Cover Story 1981 (Brittiska utgåvan)

The Agatha Christie Crossword Puzzle Book 1981 (Brittiska utgåvan)

The Agatha Christie Crossword Puzzle Book 1981 (Amerikanska utgåvan)

The Great Detectives : Seven Original Investigations 1981 (Brittiska utgåvan)

The Great Detectives : Seven Original Investigations 1981 (Amerikanska utgåvan) 

Murder She Wrote. A Study of Agatha Christie's Detective Fiction 1982 (Häftad)

Murder She Wrote. A Study of Agatha Christie's Detective Fiction 1982 (Inbunden)

The Life and Crimes of Agatha Christie 1982 (Brittiska utgåvan)

Agatha Christie. A Biography 1984

The Agatha Christie Companion : The Complete Guide to Agatha Christie's Life and Work 1984 (Amerikanska utgåvan)

The Agatha Christie Companion : The Complete Guide to Agatha Christie's Life and Work 1985, copyright dated 1984 (Brittiska utgåvan)

Agatha Christie. A Biography 1985, copyright dated 1984 (Amerikanska utgåvan)

An A to Z of the Novels and Short Stories of Agatha Christie 1985

The Life and Times of Miss Jane Marple 1985 (Amerikanska utgåvan)

The Life and Times of Miss Jane Marple 1986, copyright dated 1985 (Brittiska utgåvan)

Agatha Christie's Cookery 1985

The New Bedside, Bathtub & Armchair Companion to Agatha Christie 1986 (Reviderad upplaga)

Agatha Christie 1986

A Talent to Deceive. An Appreciation of Agatha Christie 1987 (Reviderad och uppdaterad, amerikanska utgåvan)

Agatha Christie Trivia 1987

A Tribute to Agatha Christie 1987

A Talent to Deceive. An Appreciation of Agatha Christie 1990 (Reviderad och uppdaterad, brittiska utgåvan)

The Life and Times of Hercule Poirot 1990 (Amerikanska utgåvan)

The Life and Times of Hercule Poirot 1990 (Brittiska utgåvan)

The Life and Crimes of Agatha Christie 1990 (Amerikanska utgåvan)

Agatha Christie's Devon. A Tour in Words and Pictures 1990

Agatha Christie : Murder in Four Acts : A Centenary Celebration of 'The Queen of Crime' on stage, film, radio & TV 1990

Agatha Christie. The Woman and Her Mysteries 1990 (Amerikanska utgåvan)

Agatha Christie. The Woman and Her Mysteries 1991 (Brittiska utgåvan)

Reflecting on Miss Marple 1991

The Films of Agatha Christie 1993

The Poisonous Pen of Agatha Christie 1993

Black Sheep, Red Herrings and Blue Murder : The Proverbial Agatha Christie 1993

Black Sheep, Red Herrings and Blue Murder : The Proverbial Agatha Christie 1993 (Amerikanska utgåvan)

The Lost Days of Agatha Christie 1995

Agatha Christie's Poirot. A Celebration of the Great Detective 1995

Exploring Agatha Christie Country 1996

What's Your Agatha Christie I.Q.? 1996

Agatha Christie A to Z. The Essential Reference to Her Life & Writings 1996

In the Footsteps of Agatha Christie 1997

Agatha Christie Woman of Mystery 1997

Agatha Christie. Writer of Mystery 1997

Agatha Christie and the Eleven Missing Days 1998

Agatha Christie Feminist or Anti-feminist? A Study of Feminist- and Anti-feminist traits in Christie's Detective Fiction 1998

The World of Agatha Christie. The Facts and Fiction Behind the World's Greatest Crime Writer 1999 (Brittiska utgåvan)

The World of Agatha Christie. The Facts and Fiction Behind the World's Greatest Crime Writer 1999 (Amerikanska utgåvan)

The Life and Crimes of Agatha Christie 1999 (Reviderad och uppdaterad, brittiska utgåvan)

The Getaway Guide to Agatha Christie's England 1999

The Complete Christie. An Agatha Christie Encyclopedia 2000 (Häftad)

The Complete Christie. An Agatha Christie Encyclopedia 2000 (Inbunden)

From Agatha Christie to Ruth Rendell : British Women Writers in Detective and Crime Fiction 2000

Who Killed Roger Ackroyd? The Mystery Behind the Agatha Christie Mystery 2000 (Brittiska utgåvan)

Who Killed Roger Ackroyd? The Mystery Behind the Agatha Christie Mystery 2000 (Amerikanska utgåvan)

The Life and Crimes of Agatha Christie. A Biographical Companion to the Works of Agatha Christie 2001 (Amerikanska utgåvan)

Agatha Christie and Archaeology 2001

Agatha Christie 2001 (Brittiska utgåvan)

Agatha Christie 2001 (Amerikanska utgåvan)

Agatha Christie 2002

Agatha Christie's Tape Measure Murder and the Wallace Case 2003

The Forms of Address That Agatha Chirstie's Hercule Poirot Uses in The Mysterious Affair at Styles 2003

Agatha Christie : A Reader's Companion 2004

Everyman's Guide to the Mysteries of Agatha Christie

The 8:55 to Baghdad : From London to Iraq on the Trail of Agatha Christie and the Orient Express 2004 (Brittiska utgåvan)

The 8:55 to Baghdad : From London to Iraq on the Trail of Agatha Christie and the Orient Express 2005 (Amerikanska utgåvan)

Miss Marple and All Her Characters 2006

Agatha Christie : Investigating Femininity 2006 (Brittiska utgåvan)

Agatha Christie : Investigating Femininity 2006 (Amerikanska utgåvan)

Agatha Christie : Power and Illusion 2007 (Brittiska utgåvan)

Agatha Christie : Power and Illusion 2007 (Amerikanska utgåvan)

Agatha Christie. An English Mystery 2007