Barnard, Robert.
A Talent to Deceive: An Appreciation of Agatha
Christie. New York: Dodd, Mead & Co.
,
1980.
A lively entertaining discussion of Christie and her work.
Keating, H.R.F., ed. Agatha Christie: First Lady of Crime. New York: Holt, Rinehart & Winston, 1977.
Essays by various authors on the significance of Christie’s work. Interesting.