Hercule Poirot’s Christmas is a blend of holiday cheer and classic detective mystery, and it’s Agatha Christie at her frostiest and finest. First published in 1938, Christie weaves the novel into a locked-room mystery that keeps readers questioning every character’s motive until the final reveal. ‘Cheer’ may be the wrong word, however, when the story begins with a wealthy patriarch’s murder on Christmas Eve.  

The story centers on Simeon Lee, a tyrannical and manipulative old man who gathers his estranged family at Gorston Hall for Christmas. What should be a warm reunion quickly becomes a tense standoff filled with long-standing resentment.

Late on Christmas Eve night, Simeon is found murdered in a locked room, his throat slashed in an unusually violent attack. Enter Hercule Poirot, whose holiday break is interrupted as he’s called in to investigate the familial crime. With every member of the Lee family harboring anger, jealousy, or hidden truths, Poirot must untangle a web of motives to catch the real killer. 

One of the most compelling elements of this book is its atmosphere. Christie contrasts the coziness of Christmas with the coldness of human nature, making the setting both charming and chilling. The dysfunctional family dynamics feel surprisingly modern; arguments over inheritance and favoritism are timeless themes. Poirot brings his signature meticulous logic and wry humor to the case. His method of solving the crime–relying on psychology rather than physical evidence–showcases the strength of Christie’s writing: being able to understand the darker corners of the human heart. 

Each character in Hercule Poirot’s Christmas feels distinct and layered. No one is purely innocent, no one is purely guilty, at least not at first glance. Christie gives nearly everyone a reason to want Simeon Lee dead, which makes the mystery incredibly satisfying. The tension within the Lee family is the book’s beating heart, and Christie uses it to perfection. Everyone always finds themselves surprised by the ending; the final twist is clever, and unexpected. It ties together subtle clues she plants early on, demonstrating why she remains the Queen of Mystery.