Editing Agatha Christie (section)

==== Other detectives ====
In addition to Hercule Poirot and Miss Marple, Christie also created amateur detectives Thomas (Tommy) Beresford and his wife, Prudence "Tuppence" ''née'' Cowley, who appear in four novels and one collection of short stories published between 1922 and 1974. Unlike her other sleuths, the Beresfords were only in their early twenties when introduced in ''The Secret Adversary'', and were allowed to age alongside their creator.<ref name=":16"/>{{Rp|19–20}} She treated their stories with a lighter touch, giving them a "dash and verve" which was not universally admired by critics.<ref name=":17"/>{{Rp|63}} Their last adventure, ''Postern of Fate'', was Christie's last novel.<ref name="thompson"/>{{Rp|477}}

Harley Quin was "easily the most unorthodox" of Christie's fictional detectives.<ref name=":17"/>{{Rp|70}} Inspired by Christie's affection for the figures from the [[Harlequinade]], the semi-supernatural Quin always works with an elderly, conventional man called Satterthwaite. The pair appear in 14 short stories, 12 of which were collected in 1930 as ''The Mysterious Mr. Quin''.<ref name=":16"/>{{Rp|78, 80}}<ref>{{cite journal |last1=Vervel |first1=Marc |title='Mystery' Beyond Reason: Mr. Quin, a Revealer of the Powers of Fiction According to Agatha Christie? |journal=Clues: A Journal of Detection |date=2022 |volume=40 |issue=2 |pages=39–48 |url=https://mcfarlandbooks.com/wp-content/uploads/5-Vervel-Clu402.pdf |access-date=18 April 2023}}</ref> Mallowan described these tales as "detection in a fanciful vein, touching on the fairy story, a natural product of Agatha's peculiar imagination".<ref name=":16"/>{{Rp|80}} Satterthwaite also appears in a novel, ''Three Act Tragedy'', and a short story, "[[Murder in the Mews|Dead Man's Mirror]]", both of which feature Poirot.<ref name=":16"/>{{Rp|81}}

Another of her lesser-known characters is Parker Pyne, a retired civil servant who assists unhappy people in an unconventional manner.<ref name=":16"/>{{Rp|118–19}} The 12 short stories which introduced him, ''[[Parker Pyne Investigates]]'' (1934), are best remembered for "The Case of the Discontented Soldier", which features [[Ariadne Oliver]], "an amusing and satirical self-portrait of Agatha Christie". Over the ensuing decades, Oliver reappeared in seven novels. In most of them she assists Poirot.<ref name=":16"/>{{Rp|120}}