📖 Overview
Detective Elin Warner arrives at Le Sommet, a luxury hotel in the Swiss Alps converted from an abandoned tuberculosis sanatorium. On leave from her job after a traumatic case, she reluctantly visits the hotel to celebrate her estranged brother's engagement to her former friend Laure.
When Laure vanishes during a snowstorm that cuts off access to the hotel, Elin must investigate despite her current emotional state and complicated family dynamics. The hotel's dark history as a sanatorium and its remote mountain setting create an atmosphere of isolation and dread as more incidents occur.
Blending elements of locked-room mystery, psychological thriller, and gothic horror, the novel examines themes of family secrets, trauma, and the ways the past can haunt the present. The stark Alpine setting serves as both a stunning backdrop and a force that traps the characters with their fears and suspicions.
👀 Reviews
Readers found the atmospheric Swiss Alps setting and initial premise compelling but criticized the slow pacing and underdeveloped characters. Several reviews noted the book failed to deliver on its horror/thriller marketing.
What readers liked:
- Creepy abandoned sanatorium backdrop
- Winter storm isolation setup
- Detailed descriptions of architecture and landscape
What readers disliked:
- Too many subplots that don't connect
- Main character Elin makes illogical decisions
- Anticlimactic ending
- Repetitive internal monologue
"The setting carries all the weight while the story falls flat," noted one Amazon reviewer. Multiple readers mentioned struggling to finish, with the middle section dragging.
Ratings:
Goodreads: 3.3/5 (98,000+ ratings)
Amazon: 3.8/5 (22,000+ ratings)
BookBrowse: 3.5/5
LibraryThing: 3.2/5
The book ranked on bestseller lists but reader reviews suggest it works better as a moody mystery than the advertised psychological thriller.
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An Unwanted Guest by Shari Lapena Guests at a secluded winter inn face a killer among them when a blizzard traps them inside.
Nine Perfect Strangers by Liane Moriarty Nine people check into a remote health resort where the wellness retreat transforms into something sinister.
One By One by Ruth Ware A group of coworkers at a mountain resort become targets when an avalanche cuts them off from the outside world.
The Hunting Party by Lucy Foley Old friends gather at a Highland lodge for New Year's celebrations until one turns up dead in the snow.
An Unwanted Guest by Shari Lapena Guests at a secluded winter inn face a killer among them when a blizzard traps them inside.
Nine Perfect Strangers by Liane Moriarty Nine people check into a remote health resort where the wellness retreat transforms into something sinister.
🤔 Interesting facts
🏥 The book's setting is inspired by real sanatoriums in Switzerland that were converted into luxury hotels during the 20th century, when tuberculosis treatments evolved and these facilities became obsolete.
🗻 Author Sarah Pearse visited several converted sanatoriums in the Swiss Alps while researching the book, incorporating authentic architectural details and atmosphere into her fictional Le Sommet hotel.
🎯 The Sanatorium debuted at #3 on The New York Times bestseller list and was selected as a Reese Witherspoon Book Club Pick in February 2021.
👻 The novel blends multiple genres, incorporating elements of locked-room mystery, gothic horror, and psychological thriller—a combination that earned it comparisons to Agatha Christie's works.
🔍 The protagonist Elin Warner's profession as a detective was inspired by Pearse's fascination with police work; she spent considerable time interviewing real detectives to ensure authenticity in the character's methods and thought processes.