The heiress of Styles has been murdered, dying in agony from strychnine slipped into her coffee. And there are plenty who would gain from her death: the financially strapped stepson, the gold digging younger husband, and an embittered daughter-in-law. Agatha Christie's eccentric and hugely popular detective, Hercule Poirot, was introduced to the world in this book, which launched her career as the most famous and best loved of all mystery writers.

"The Mysterious Affair at Styles is a detective novel by British writer Agatha Christie. It was written in the middle of the First World War, in 1916, and first published by John Lane in the United States in October 1920[1] and in the United Kingdom by The Bodley Head (John Lane's UK company) on 21 January 1921.[2]Styles was Christie's first published novel. It introduced Hercule Poirot, Inspector (later, Chief Inspector) Japp, and Arthur Hastings.[3] Poirot, a Belgian refugee of the Great War, is settling in England near the home of Emily Inglethorp, who helped him to his new life. His friend Hastings arrives as a guest at her home. When the woman is killed, Poirot uses his detective skills to solve the mystery."

"The Mysterious Affair at Styles is a detective novel by British writer Agatha Christie. It was written in the middle of the First World War, in 1916, and first published by John Lane in the United States in October 1920[1] and in the United Kingdom by The Bodley Head (John Lane's UK company) on 21 January 1921.[2]Styles was Christie's first published novel. It introduced Hercule Poirot, Inspector (later, Chief Inspector) Japp, and Arthur Hastings.[3] Poirot, a Belgian refugee of the Great War, is settling in England near the home of Emily Inglethorp, who helped him to his new life. His friend Hastings arrives as a guest at her home. When the woman is killed, Poirot uses his detective skills to solve the mystery."

In her first published mystery, Agatha Christie introduces readers to the heroic detective, Hercule Poirot. This is a classic murder mystery set in the outskirts of Essex. The victim is the wealthy mistress of Styles Court. The list of suspects is long and includes her gold-digging new spouse and stepsons, her doctor, and her hired companion.

The Mysterious Affair at Styles is a detective novel by British writer Agatha Christie. It was written in the middle of the First World War, in 1916, and first published by John Lane in the United States in October 1920 and in the United Kingdom by The Bodley Head on 21 January 1921.

Agatha Christie's debut novel was the first to feature Hercule Poirot, her famously eccentric Belgian detective.A refugee of the Great War, Poirot is settling in England near Styles Court, the country estate of his wealthy benefactor, the elderly Emily Inglethorp. When Emily is poisoned and the authorities are baffled, Poirot puts his prodigious sleuthing skills to work. Suspects are plentiful, including the victim's much younger husband, her resentful stepsons, her longtime hired companion, a young family friend working as a nurse, and a London specialist on poisons who just happens to be visiting the nearby village.All of them have secrets they are desperate to keep, but none can outwit Poirot as he navigates the ingenious red herrings and plot twists that earned Agatha Christie her well-deserved reputation as the queen of mystery.