British author Lucy Foley has revived one of Agatha Christie’s most beloved characters with the release of “Murder at the Grand Alpine Hotel,” the first authorized Miss Marple novel in half a century. Published September 22 by William Morrow, the book is set in the Swiss Alps in 1950, where the elderly amateur detective is vacationing with her friend Dolly Bantry before being drawn into a murder investigation amid a snowstorm that traps guests inside the hotel.

Foley, known for her bestselling mystery and historical fiction works such as “The Guest List” (2020) and “The Paris Apartment” (2022), collaborated with the estate of the late Christie to bring new life to Miss Marple. James Prichard, Christie’s great-grandson and head of Agatha Christie Ltd., closely supervised the project and emphasized that while Foley’s novel builds on Christie’s foundation, it is not intended to mimic or replace the original author’s work. Instead, it reflects Foley’s own voice interpreting a Christie character for today’s audience.

Prichard, who has produced several recent films based on Christie’s Hercule Poirot novels, expressed a longstanding desire to spotlight Miss Marple, whom he felt had been somewhat overlooked compared to other Christie creations. “There has never been as much interest in my great-grandmother as there is now,” he said, noting that part of Christie’s historical undervaluation stemmed from gender biases and the genre fiction label. He hopes Foley’s novel will attract new readers who might then explore Christie’s original stories.

The novel explores themes beyond the murder mystery itself, touching on post-war trauma, class dynamics, deception, and sexism, much like Christie’s work did in its time. Foley described her approach to writing the book as a blend of respect for Christie’s style—particularly the meticulous plotting that she likened to “Swiss watch perfection”—and her own narrative sensibilities, including multiple points of view. To capture the period and atmosphere authentically, Foley immersed herself in extensive research, including reading nearly 100 Christie novels, period literature, and consuming cultural touchstones from the mid-20th century such as Hollywood films and jazz music.

To maintain the integrity of Miss Marple, Foley adhered to key guidelines regarding the character’s age, relationships, and role in the story, avoiding introducing new romantic interests or making Marple a suspect. She also declined to bring in Poirot, another iconic Christie detective, citing concerns about conflating separate fictional worlds.

The response to Foley’s authorship has been mixed among Christie purists, some wary of an extension of the original author’s legacy without her involvement. However, Prichard welcomed differing opinions, acknowledging the strong attachment of Christie’s fan base while supporting Foley’s work as a means of expanding the reach of Miss Marple to new audiences.

Readers and critics will ultimately judge whether “Murder at the Grand Alpine Hotel” lives up to the standards set by Christie. Prichard shared that he found the novel’s plot cleverly constructed, initially believing he had solved the mystery halfway through, only to be surprised by unexpected twists reminiscent of Christie’s own storytelling style.

With this new installment, the Agatha Christie estate continues its efforts to preserve and evolve the author’s legacy, balancing reverence for the original with fresh creative interpretation.