The Mysterious Affair at Styles is a detective novel by Agatha Christie written in 1916, and first published in 1920 to rave reviews. Christie's first published novel, it introduced Hercule Poirot, a Belgian refugee of the Great War, who is settling in England near the home of his wealthy, recently widowed friend Emily Inglethorp. When the widow is found murdered via the administering of poison, Poirot uses his detective skills to solve the mystery....

In 1931, the world's greatest detective, Hercule Poirot, finds his plans for a much-needed, restful Christmas holiday thwarted by a murder investigation and has less than a week to solve the crime and prevent more murders while someone plans to wreak holiday havoc on his life.

While traveling from London to Kingfisher Hill to discretely investigate murder allegations against a wealthy client's wife, Hercule Poirot swaps seats with a nervous train passenger before a second killing is complicated by a series of impossible confessions.

"What I intend to say to you will come as a shock ..." With these words, Lady Athelinda Playford -- one of the world's most beloved children's authors -- springs a surprise on the lawyer entrusted with her will. As guests arrive for a party at her Irish mansion, Lady Playford has decided to cut off her two children without a penny . . . and leave her vast fortune to someone else: an invalid who has only weeks to live. Among Lady Playford's visitors...

"'Let us see, Mr. Clever Poirot, just how clever you can be.' There's a serial killer on the loose, working his way through the alphabet and the whole country is in a state of panic. A is for Mrs. Ascher in Andover, B is for Betty Barnard in Bexhill, C is for Sir Carmichael Clarke in Churston. With each murder, the killer is getting more confident--but leaving a trail of deliberate clues to taunt the proud Hercule Poirot might just prove to be the...

"What I intend to say to you will come as a shock ..." With these words, Lady Athelinda Playford -- one of the world's most beloved children's authors -- springs a surprise on the lawyer entrusted with her will. As guests arrive for a party at her Irish mansion, Lady Playford has decided to cut off her two children without a penny . . . and leave her vast fortune to someone else: an invalid who has only weeks to live. Among Lady Playford's visitors...

A murder in a small English village leads Hercule Poirot into a strange mystery involving a determined, curious spinster, the local doctor, and a wide range of suspects with possible motives and mysterious relationships​.

Hercule Poirot's quiet supper in a London coffee house is interrupted when a young woman confides to him that she is about to be murdered. She is terrified, but begs Poirot not to find and punish her killer. Once she is dead, she insists, justice will have been done. Later that night, Poirot learns that three guests at a fashionable London hotel have been murdered, and a cufflink has been placed in each one's mouth. Could there be a connection with...