British author Lucy Foley has taken on the challenge of reviving Agatha Christie's iconic character Miss Marple in a new full-length novel, the first since Christie’s posthumous release of "Sleeping Murder" 50 years ago. Set in the Swiss Alps, "Murder at the Grand Alpine Hotel" introduces readers to a fresh Miss Marple mystery while drawing inspiration from Christie’s original works.

Foley, who was approached to write the authorized new Miss Marple story, described a deep personal connection to Christie's work, crediting her grandmother as an early influence who embodied traits similar to the eponymous detective: perceptive, morally grounded, and quietly formidable. Christie first introduced Miss Marple in a 1927 story for a Christmas magazine, with the character’s full debut occurring in 1930 in "The Murder at the Vicarage." Over time, Miss Marple became one of Christie’s most beloved sleuths, featured in 12 of her 66 detective novels and numerous short stories, rivalling the fame of Hercule Poirot, another of Christie’s enduring detectives.

Despite the continuation of Poirot’s adventures by author Sophie Hannah since 2013, no new Miss Marple novels had been authorized until Foley’s commission. Foley expressed a mix of excitement and pressure in taking on the role, emphasizing the importance of maintaining the integrity of Christie’s character and signature intricate plotting, which first captured her imagination as a young reader.

In reimagining Miss Marple, Foley embraced the opportunity to expand the detective’s world beyond traditional English village settings, drawing inspiration from the fact that "Death on the Nile" was originally intended to feature Miss Marple before becoming a Poirot novel. This allowed Foley to situate the story amid the grandeur of the Swiss Alps at the Grand Alpine Hotel, providing a glamorous backdrop reminiscent of the exotic locations often found in Poirot’s cases. The novel employs multiple first-person narrators, a technique Foley credits Christie with mastering, which offers readers a multifaceted view of Miss Marple through the perceptions, underestimations, and fears of those around her.

Foley also sought to update the themes and relevance of the story, exploring societal attitudes toward ageing and the invisibility often imposed on older individuals—issues that resonate with contemporary concerns as much as they did in Christie’s era. Additionally, the narrative reflects on enduring cultural and political challenges, including the prevalence of unchecked male egos and the rewriting of history to obscure wrongdoing.

Throughout the process, Foley remained committed to preserving the essence of Christie’s work, especially the satisfying resolution that sees justice served—an element she finds gratifying amid today’s complex social climate. "Murder at the Grand Alpine Hotel" is published by HarperCollins and represents both a homage to and evolution of one of detective fiction’s most enduring characters.