Including Hercule Poirot’s. She is Arlena Stuart, the famous actress, enjoying—like the famous detective—a summer holiday on Smugglers’ Island, and she will become a common enough sight, sunbathing on the hot sands. Then one azure morning her beautiful bronzed body is discovered in an isolated cove, in the shade. She is dead, strangled. And Poirot, as luckless as ever when he attempts some downtime, will learn in the course of his investigation that nearly all the guests of this exclusive resort have some connection to Arlena. But who had the capacity and the motive to kill her?

Of note: The producers of Murder on the Orient Express and Death on the Nile released a film version of Evil Under the Sun in 1982; again, as in Nile, they cast Peter Ustinov as Poirot.

• Daily Telegraph: ‘Christie has never written anything better than Evil Under the Sun, which is detective story writing at its best.’
• Times Literary Supplement: ‘Christie springs her secret like a land mine.’
• Sunday Times: ‘Vivacious and entertaining.’

24. Five Little Pigs (1943)

A staggering bestseller upon its publication—running through 20,000 copies of its first edition—Five Little Pigs (published in the U.S. as Murder in Retrospect) concerns a murder committed sixteen years earlier. Carla Crale prevails upon Hercule Poirot to investigate the crime that sent her mother, Caroline, to prison for life (where she died). Caroline had been found guilty of poisoning her estranged husband, Carla’s father, Amyas Crale, the famous artist. Poirot’s investigation centers upon five suspects, still living, whom he convinces to speak to him and to record their own memories of the long-ago incident.

Brilliantly intersplicing the past and the present, memory and reality, the search for truth and ongoing attempts to thwart it, Five Little Pigs has no antecedent. Almost a decade before Akira Kurosawa’s famous film introduced the term “Rashomon effect” into the vernacular, Agatha Christie invited her readers to view a crime from multiple perspectives and to consider the vagaries of such an exercise. Fortunately, however, the great Belgian detective does not deal in vagaries—Hercule Poirot is in the business of precision, and he will reveal the identity of the true killer.

• Observer: ‘Mrs Christie as usual puts a ring through the reader’s nose and leads him to one of her smashing last-minute showdowns.’
• Times Literary Supplement: ‘The answer to the riddle is brilliant.’

25. The Hollow (1946)