Referenslitteratur
1990-talet
1990:
The
Agatha Christie Centenary 1990
Agatha
Christie Trivia 1990
The Life and Times of Hercule Poirot 1990 (Amerikanska utgåvan)
Utgiven i Storbritannien samma år:
Brittiska
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)
Utgiven i Storbritannien året därpå:
Brittiska utgåvan.
The Agatha Christie Centenary Celebration Tour: Spider's Web 1990
1991:
Reflecting
on Miss Marple 1991
1993:
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
(Brittiska utgåvan)
Utgiven i USA samma år:
Amerikanska
utgåvan.
1995:
The
Lost Days of Agatha Christie 1995
Agatha
Christie's Poirot. A Celebration of the Great Detective 1995
1996:
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
1997:
In the Footsteps
of Agatha Christie 1997
Agatha
Christie Woman of Mystery 1997
Agatha
Christie. Writer of Mystery 1997
1998:
Agatha
Christie and the Eleven Missing Days 1998
1999:
The World of Agatha Christie. The Facts and Fiction Behind the World's Greatest
Crime Writer 1999 (Brittiska utgåvan)
Utgiven i USA samma år:
Amerikanska
utgåvan.
The
Getaway Guide to Agatha Christie's England 1999