2/24/25

The House of Snow and the Six Tricks (2022) by Danro Kamosaki

Last year, the first round of nominations for the updated "Locked Room Library," hosted by Alexander of The Detection Collection, introduced me to the fanlations from Mitsuda Madoy and "cosmmiicnana" – whose work got several novels on the nomination list. Kie Houjou's Jikuu ryokousha no sunadokei (The Time Traveler's Hourglass, 2019) and Meitantei ni kanbi naru shi wo (Delicious Death for Detectives, 2022) became instant favorites, Takekuni Kitayama's Rurijou satsujin jiken (The "Lapis Lazuli Castle" Murders, 2002) is close on their heels. All three are modern masterpieces of the hybrid mystery with incredibly imaginative, visionary even, plots and original locked room mysteries. I also enjoyed their translation of Jun Kurachi's excellent, non-impossible crime mystery Hoshifuri sansou no satsujin (Murders in the Mountain Lodges Beneath the Shooting Stars, 1996). This duo also translated two novels from a series with a very alluring premise.

Danro Kamosaki wordily titled Misshitsu ougon jidai no satsujin – Yuko no yakata to muttsu no trick (Murder in the Golden Age of Locked Rooms – The House of Snow and the Six Tricks, 2022) is the first entry in the "Murder in the Golden Age of Locked Rooms" series. I'll simply refer to it as The House of Snow and the Six Tricks.

Three years previously, the first ever, real-life locked room murder was committed in Japan. Fortunately, the murderer was arrested, put on trial and acquitted, because nobody could break down the killer's locked room-trick – protecting the murderer like an unbreakable alibi. So the locked room murder and impossible crime, "that common fiction trope so looked down upon for its unreality," became "preeminently practical" over night. Just a month after the trial, the police were faced with four more locked room murders and the numbers climbed over the following months ("locked rooms spread throughout society like a disease"). The counter stands at 302 at the opening of the story meaning "30% of the total number of murders committed in Japan in an average year are locked room murders."

Over the course of the story, the reader learns just how much this epidemic of impossible crimes have changed police work and given rise to new jobs. There are now specialized detectives to handle complicated locked room murders that do not involve any of the routine tricks, "like using string to turn the key in the inside lock or hiding inside the room," but a murderer with a fresh idea or using new, cutting-edge tricks. The so called locked room detectives aren't the only newly created experts to combat the rash of impossible crimes. Locked room appraisal companies specialize in finding secret passages, hidden doors and other such hiding places with ultrasound and x-rays. A service provided to both the police and private citizens to make sure their crime scene or house they intend to buy is free of any hoary, nineteenth century plot device. That and much more you have to read for yourself.

So that's the country 17-year-old high school student, Kasumi Kuzushiro, finds himself in when he's dragged along by his friend, Yozuki Asahina, to the famous House of Snow. Apparently, the hunt for UMA (Unidentified Mysterious Animal), but the House of Snow, currently a hotel, used to be the home of the celebrated mystery writer, the late Byakuya Yukishiro. A locked room specialist who was years ahead of the locked room boom when he created one of his own. However, the locked room was a challenge, not a crime, thrown down during a house party.

Ten years ago, Yukishiro hosted a party where his guests, comprising of some well-known mystery writers and critics, were surprised with a mocked murder – which they would declare later that night a perfect locked room mystery. A doll with a knife in its chest is found a room with the door locked from the inside, windows either do not open or have lattices to prevent them from being used, but the finishing touch is that the sole key to the room was inside a bottle with the lid closed tight! This prompted a lively, all-night debate and "an impromptu deduction competition," but nobody that night had been able to solve the mystery. Nobody else had since. So the House of Snow Locked Room Case, "Yukishiro's true masterpiece," became an attraction when he died and his home was turned into a hotel.

 

 

When they arrive, Kasumi Kuzushiro and Yozuki Asahina find an odd collection of guests gathering at the hotel. Eiji Sagurioka, a Locked Room Detective, who came to the hotel to try and find a solution to Yukishiro's mystery for a magazine. Riria Hasemi, a famous teenage actress, who's accompanied by her downtrodden manager, Toshiro Manei. Fenrir Alicehazard, a British woman, who claims to have come to the hotel to hunt for another UMA ("I heard there are skyfish near here"). Satoru Kanzaki, a priest of the Tower of Dawn, representing a religious sect who worship and purify crime scenes with prayer ("...one they held in highest regard was the scene of a locked room murder"). Dr. Hironobu Ishikawa and Haruki Yashiro, president of a trading company, are the more normal guests. Kuzushiro is surprised to find a familiar face among the guests, Shitsuri Mitsumura, who was his classmate in middle school and were the only members of the literature club. She has talent for solving locked room puzzles. Something that comes in handy when people begin to turn up dead under seemingly impossible circumstances.

The first of the murders is practically a copy of Yukishiro's locked room challenge, but, instead of a doll, the knife is now sticking out of a corpse and a unique, hand painted playing card is found – linking the murder to unsolved case known as "The Playing Card Serial Murder Case." On top of that, the murderer cut the phone lines and torched the bridge to trap them in the remote hotel during the dead of winter.

Kuzushiro and Mitsumura have all the time to pick both locked rooms, past and present, over the course of several chapters. Mitsumura pieces together the correct solution and her reconstruction sets the tone for what's to come. The locked room-trick is a complicated, but original, one in both presentation and resolution coming with a clear cut diagram to show the trick worked. Danro Kamosaki loves technical and physical tricks, which is here on full display, but this merely the first of half a dozen impossible murders.

I commented before on these multiple impossible crime mysteries and that they tend to run into one of two problems. They either have one, or two, good locked room-tricks with the remaining being either filler, to put kindly, or downright bad and disappointing. Or they feel to crammed with all the good ideas not given enough room to breath. The magical number to perfectly balance quality and quantity appears to be three or four. The House of Snow and the Six Tricks goes over that margin, however, it maintains a pretty decent quality overall. Only two of them failed to impress me.

There's a rather gruesome stabbing in the dining hall at the time the only entrance was under constant observation. The solution is, visually, unintentionally hilarious and should have been used in a Takemaru Abiko story or some dark, comedic-style mystery (what a way (ROT13) gb hfr n uvqqra, nhgbzngvp qbbe gb n frperg cnffntr!). I hated the third locked room murder, a shooting in a bedroom, which is bad enough to actually slightly detract from the story's overall quality. One of the clearest examples of smearing lipstick on a pig trying to make it look more impossible than it really is. Had the trick gone off as planned, it would have still posed a similar problem in distance. The fourth impossible situation places the body inside a locked room surrounded by "a square arrangement of dominoes" extending towards the door continuing right up to the last one. So nobody could have left the room without toppling the stones. A clever enough solution and the situation demanded a dash of originality, but found the trick contrived and unconvincing.

Even after all they explain all the locked rooms and apprehend the killer, another murderer strikes with a fifth and final impossible murder. A truly ingenious variation on Yukishiro's masterpiece with added difficulties. This time, the only key to the room is found inside a jam jar and the thumb turn, "used to lock the door from the inside," covered with a gachapon capsule ("...the lid of a capsule toy from a gachapon machine") – which immediately eliminates several potential tricks. Kuzushiro, not Mitsumura, finally gets to solve one with a fresh treatment of John Dickson Carr's "Locked Room Lecture" (see The Three Coffins, 1935). Kuzushiro uses the Locked Room Classification List, created by the Ministry of Justice, which lists all "fifteen different types of locked room tricks in existence.” One by one, Kuzushiro's Ellery Queen-style reasoning eliminates every trick on the list, before revealing "an extremely simple trick that doesn't fit into any existing category." I think this fifth is the best of the half a dozen, or so, impossible crimes with clues to its solution dropped throughout the story and doesn't need a diagram to provide a clear visual image of the trick.

If you haven't had your fill of miracle crimes, the murder that started the locked room boom comes into play as it's linked to one of the characters. That murder is revealed to have been something of nestling doll. Locked rooms within locked rooms! A murder in a mansion surrounded by a high wall with the only entrance under CCTV surveillance. The body was found in the customary locked room with the key to the door locked away in a drawer and the key to the drawer was found in the victim's pocket.

So, yes, the love of locked rooms and physical tricks is front and center of The House of Snow and the Six Tricks, but it's not all tricks, tricks and tricks. Just mostly. There's the intriguing backstory of the Japan's first locked room murder and how it's linked up to the main characters, but also a bit of gruesome meta-playfulness with the playing cards and their true meaning. It helped to make this densely-plotted, very technical and detailed locked room mystery fun and readable. Even though the story sometimes tried to be a little too clever for it's own good, The House of Snow and the Six Tricks comes highly recommended to rabid locked room fanatics and everyone who simply enjoys a meaty puzzle plot. You can expect a review of the sequel sometime in the not so distant future.

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